Relevant bibliographies by topics / Watersheds

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Watersheds'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 August 2024

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Journal articles on the topic "Watersheds"

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Saxe, Samuel, Terri S. Hogue, and Lauren Hay. "Characterization and evaluation of controls on post-fire streamflow response across western US watersheds." Hydrology and Earth System Sciences 22, no. 2 (February 13, 2018): 1221–37. http://dx.doi.org/10.5194/hess-22-1221-2018.

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Abstract. This research investigates the impact of wildfires on watershed flow regimes, specifically focusing on evaluation of fire events within specified hydroclimatic regions in the western United States, and evaluating the impact of climate and geophysical variables on response. Eighty-two watersheds were identified with at least 10 years of continuous pre-fire daily streamflow records and 5 years of continuous post-fire daily flow records. Percent change in annual runoff ratio, low flows, high flows, peak flows, number of zero flow days, baseflow index, and Richards–Baker flashiness index were calculated for each watershed using pre- and post-fire periods. Independent variables were identified for each watershed and fire event, including topographic, vegetation, climate, burn severity, percent area burned, and soils data. Results show that low flows, high flows, and peak flows increase in the first 2 years following a wildfire and decrease over time. Relative response was used to scale response variables with the respective percent area of watershed burned in order to compare regional differences in watershed response. To account for variability in precipitation events, runoff ratio was used to compare runoff directly to PRISM precipitation estimates. To account for regional differences in climate patterns, watersheds were divided into nine regions, or clusters, through k-means clustering using climate data, and regression models were produced for watersheds grouped by total area burned. Watersheds in Cluster 9 (eastern California, western Nevada, Oregon) demonstrate a small negative response to observed flow regimes after fire. Cluster 8 watersheds (coastal California) display the greatest flow responses, typically within the first year following wildfire. Most other watersheds show a positive mean relative response. In addition, simple regression models show low correlation between percent watershed burned and streamflow response, implying that other watershed factors strongly influence response. Spearman correlation identified NDVI, aridity index, percent of a watershed's precipitation that falls as rain, and slope as being positively correlated with post-fire streamflow response. This metric also suggested a negative correlation between response and the soil erodibility factor, watershed area, and percent low burn severity. Regression models identified only moderate burn severity and watershed area as being consistently positively/negatively correlated, respectively, with response. The random forest model identified only slope and percent area burned as significant watershed parameters controlling response. Results will help inform post-fire runoff management decisions by helping to identify expected changes to flow regimes, as well as facilitate parameterization for model application in burned watersheds.
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Munoth, Priyamitra, Lalit Kumar Gehlot, P. L. Patel, Sumit Khandelwal, P. V. Timbadiya, and Rohit Goyal. "Integrated hydrological modelling of two contrasting watersheds with a terminal reservoir in the Upper Tapi River basin, India." Water Supply 23, no. 12 (November 30, 2023): 4891–907. http://dx.doi.org/10.2166/ws.2023.314.

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Abstract The present study developed an integrated hydrologic model for sustainable utilisation and water management in two complex watersheds with varying physioclimatic features and reservoirs. The soil and water assessment tool (SWAT) is used for predicting integrated inflows into the Hatnur reservoir from the Burhanpur and Purna watersheds of the Upper Tapi River basin, while outflows are simulated using a rule curve. The influence of watershed complexities on hydrological model parameters and the watershed processes are investigated using extensive multisite and multivariable calibration (1998–2007) and validation (2008–2013) approaches, including sensitivity and uncertainty analyses. The sensitive parameters are related to curve number (CN), groundwater, slope, and main channel characteristics. The annual streamflow (m3/km2/mm of rainfall) in the Burhanpur watershed is 568.7, which is 4.2 times higher than the Purna watershed's streamflow of 136.2. The hypsometric analysis, areal rainfall, and flow duration curves revealed a substantially different streamflow pattern and a larger coefficient of variation in the spatial distribution of water balance components over sub-watersheds in the Burhanpur watershed compared to the Purna watershed due to diverse topographic features. The developed model would be useful for planning controlled releases from the terminal reservoir to mitigate hazards in the downstream reaches of the Tapi River basin.
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Kumar, Shailesh, Sarita Meshram, Rupesh Patil, and Sanjay Tignath. "Hypsometric Analysis Using Geographical Information System of Gour River Watershed, Jabalpur, Madhya Pradesh, India." Current World Environment 11, no. 1 (April 25, 2016): 56–64. http://dx.doi.org/10.12944/cwe.11.1.07.

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Hypsometric analysis of drainage basins reveals the geological stage of watershed and is a measure of its maturity, indicating the susceptibility of the watershed to erosion. In the present study sub watersheds of Khurji Nala and Dala Nala watersheds which are tributaries of GourRiver located in Jabalpur district of Madhya Pradesh was considered as the case study area. The watersheds were delineated into sub watersheds and hypsometric analysis was carried out for all of them using the digital contour map, which was generated using Arc GIS. The hypsometric integral values of Khurji Nala and Dala Nala sub watersheds reveals that sub watershed 2 of Khurji Nala and sub watershed 7 of Dala Nala watershed should be given top priority for soil and water conservation.
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Goyo, Shiella Lynn, and George Puno. "Usage of Land Use/Land Cover and Anthropogenic Parameters in Prioritizing Conservation in Sub Watersheds of Upper Pulangi River." East Asian Journal of Multidisciplinary Research 2, no. 5 (May 30, 2023): 2081–98. http://dx.doi.org/10.55927/eajmr.v2i5.4012.

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Most part of the Philippines are located within watersheds. The best unit for managing natural resources like land and water is a watershed. This study aimed to prioritize the nine sub watersheds of Upper Pulangi River for conservation and rehabilitation using land use and land cover and anthropogenic parameters. Land cover and land use was analysed using remote sensing and GIS techniques to identify and delineate its categories. In terms of anthropogenic parameters, watersheds with the most extensive and highest human alterations, such as surface mining/quarries, illegal logging, land conversion to agriculture, kaingin, built-up areas, and upland settlers, were assigned the top priority for conservation. Watershed prioritization is the process of ranking different sub-watersheds in the order in which they must be addressed for soil conservation measures. Out of the nine sub watersheds being studied, the results showed that Sawaga sub watershed has the high priority for conservation followed by Maapag, Upper Pulangi, Taganibong, and Malingun sub watersheds with medium priority. Panlibatuhan, Tigwa and Taganibong sub watersheds fall under low priority while Manupali sub watersheds has the lowest priority due to its favourable vegetation cover and existing conservation and rehabilitation projects. It is recommended to watershed managers of Upper Pulangi river to prioritize and consider for funding the rehabilitation and soil conservation measures for Sawaga sub watershed. The methods used in this study can be applied to other watershed management under limited resources.
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Joshi, Mallika, Pankaj Kumar, and Purabi Sarkar. "Morphometric parameters based prioritization of a Mid-Himalayan watershed using fuzzy analytic hierarchy process." E3S Web of Conferences 280 (2021): 10004. http://dx.doi.org/10.1051/e3sconf/202128010004.

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Watershed prioritization has become increasingly crucial for managing natural resources, especially the watersheds. A useful decision support tool to provide appropriate weights to different morphological attributes with lineage with soil erosion is required to identify environmentally stressed areas for the watershed resources. This study examines the Western Nayar watershed delineation and further examination of the watershed’s morphometric parameters. The morphometric parameters were quantified under the linear, areal, and relief heads for the watershed. The prioritization of sub-watersheds was done by the fuzzy analytic hierarchy process (FAHP). The study included nine morphometric parameters for forming a pairwise comparison matrix. The fuzzy analytic hierarchy process was employed for assigning the suitable weights to morphometric parameters, and further, these weights are normalized to assign the final ranks to the sub-watershed. In Western Nayar, SW9 got the highest priority, and SW1 was categorized as the least priority. The results were validated by the consistency ratio index, which depends on the matrix consistency index’s size that should be less than 10%. The consistency index of the present study was found to be 2%.
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Wahyuni, Andang Suryana Soma, Usman Arsyad, Riska Sariyani, and Baharuddin Mappangaja. "Prediction of erosion and sedimentation rates using SWAT (Soil and Water Assessment Tool) method in the Jenelata Sub Watershed." IOP Conference Series: Earth and Environmental Science 886, no. 1 (November 1, 2021): 012097. http://dx.doi.org/10.1088/1755-1315/886/1/012097.

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Abstract Erosion and sedimentation are problems that often occur in watershed ecosystems. The SWAT model (Soil and Water Assessment Tool) can be used to determine the output of a watershed’s performance. Jenelata sub-watershed area is one of the largest sub-watersheds of the Jeneberang watershed with 22.800 ha. This study aims to determine the spatial distribution of the hydrologic response unit (HRU) and analyze the rate of erosion and sedimentation in the Jenelata sub-watershed. The results showed that most HRUs are in secondary dryland forests with 447 HRU (19.09%). The level of erosion in the very light category, namely 5.74 ton/ha/year (37.53%) and light 34.71 ton/ha/year (27.76%), was in the villages of Moncongloe, Tana Karaeng, Sicini, Paladindang, Towata, Parang Lampoa, Manuju, and Buakkang. Meanwhile, moderate erosion was 104.07 ton/ha/year (23.92%), high 289.65 ton/ha/year (9.59%), and very high 553.74 ton/ha/year (1.20%) located in the villages of Pattallikang, Mangempang, Bontomanai, Bissoloro, Rannaloe, Jenebatu, and Sapaya. The largest sedimentation is 133.18 ton/ha/year in sub-watershed17, located in Bissoloro and Rannaloe villages.
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Lee, Jong-Won, Se-Rin Park, and Sang-Woo Lee. "Effect of Land Use on Stream Water Quality and Biological Conditions in Multi-Scale Watersheds." Water 15, no. 24 (December 6, 2023): 4210. http://dx.doi.org/10.3390/w15244210.

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Understanding the relation between watershed land use and stream conditions is critical for watershed planning and management. This study investigated the effects of land use on stream water quality and biological conditions in sub-watersheds and micro-watersheds across the Han River watershed in South Korea. We developed random forest models for each water quality and biological indicator using the proportions of urban, agricultural, and forested areas. Our results indicate that water quality and biological indicators were significantly affected by forest area at both scales, and the sub-watershed models performed better than the micro-watershed models. Accumulated local effects were used to interpret the effect of each explanatory variable on the response variable. The plots for water quality and biological indicators with proportions of watershed land use demonstrated similar patterns at both scales, although the relation between land use and stream conditions was slightly more sensitive in micro-watersheds than in sub-watersheds. Urban and agricultural areas showed a lower proportion of water quality and biological condition variability in the micro-watersheds than in the sub-watersheds, while forests showed the opposite results. The findings of this study suggest that different spatial scales should be considered when developing effective watershed management strategies to maintain stream ecosystems.
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Indarto, Indarto, and Entin Hidayah. "Preliminary Assessment of Morphometric and Hydrological Properties of Six Watersheds in the Eastern Part of East Java." Forum Geografi 33, no. 1 (August 2, 2019): 114–29. http://dx.doi.org/10.23917/forgeo.v33i1.7858.

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A hydrological process on the watersheds is driven by rainfall as the input. Physical properties also affect the magnitude response of the watershed to produce run-off. This paper presents the identification, assessment and visualisation of morphometric and hydrological properties of the watersheds. Six watersheds in the eastern part of East Java were used for the analysis. Physical characteristics obtained by cropping the GIS layer with a watershed. Topographic and morphometric properties of the watersheds derived from the ASTER G-DEM2. Furthermore, hydrological properties are derived statistically by analysing available rainfall and discharge data. Hydrological data (rainfall and discharge) are available from 1996 – 2014. Finally, simple statistical analysis by plotting obtained values are used to interpret the relation between morphometric and hydrological properties of the watersheds. The results show the quantitative number (unit) to describe the morphometric and hydrological properties of the six watersheds that can be used for watershed classification.
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Gadakh, S., SS Wandre, MA Patil, A. Jadhav, V. Shinde, J. Ghatge, and K. Prathapan. "Quantitative analysis of morphometric parameters for prioritization of Warana river basin using remote sensing and GIS." Journal of Agriculture and Ecology 18 (May 30, 2024): 32–38. http://dx.doi.org/10.58628/jae-2418-105.

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An attempt has been made in this paper to study the morphometric characteristics and prioritization of watersheds of the Warana river basin, which falls in the districts of Ratnagiri, Kolhapur, and Sangli and is a major one among five river basins of Maharashtra state, India. As a result, the entire research area has been subdivided into 15 sub-watersheds for prioritization based on morphometric analysis utilizing GIS and remote sensing techniques. The compound parameters were calculated by averaging the priority based on the severity ranking of each watershed. The watersheds were given ultimate priority based on the values of compound parameters. The compound parameter ranged from 6.5 to 9.83 for all 15 watersheds. The watershed 8th (compound parameter value 6.5) obtains the greatest priority value and hence becomes a prospective and prioritized candidate for adopting soil conservation measures, whilst the other watersheds with lesser priorities experience less erosion. Such watershed prioritization is beneficial to overall watershed management planning. The morphometric parameters established for this basin as a whole and each watershed will be important for sound water harvesting and groundwater recharge project design on a watershed basis.
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Wang, Chunbo, Chengtao Huang, Shuai Zhang, Lei Zhang, Tingzhen Li, Jiyou Peng, and Liuyi Zhang. "Research Progress on Nitrogen and Phosphorus Loss in Small Watersheds: A Regional Review." Water 15, no. 16 (August 10, 2023): 2894. http://dx.doi.org/10.3390/w15162894.

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As an ecological subsystem, a small watershed is mainly located upstream from lakes, rivers, or other water bodies. The characteristics of non-point source (NPS) pollution in a small watershed are random and complex. Rainfall is the direct driving force of NPS pollution, and different land-use types are the main factors affecting NPS output in small watersheds. At present, the NPS pollution of small watersheds is serious, and the problem of eutrophication of watershed water is prominent. Nitrogen (N) and phosphorus (P) are essential nutrients for aquatic organisms, but excessive amounts can lead to water pollution and ecological imbalances. The study of N and P loss in small watersheds can provide a decision-making basis for NPS pollution control in small watersheds. This paper introduces the research progress on small watersheds in detail, focusing on the main influencing factors of N and P output in small watersheds, including rainfall, different land-use types, N and P loss prevention, and control measures; it also provides a prospective view of the current problems, hoping to provide references for the study of NPS pollution in small watersheds.
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Dissertations / Theses on the topic "Watersheds"

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Lien, Aaron M., Lacroix Kelly Mott, Katie Banister, and Sharon B. Megdal. "Using Watershed Assessments to Inform Planning for Rural Watersheds." College of Agriculture, University of Arizona (Tucson, AZ), 2014. http://hdl.handle.net/10150/324539.

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9 pp.
The Using Watershed Assessments to Inform Planning for Rural Watersheds publication provides a process for developing a baseline watershed assessment. In this guide we provide recommendations for engaging with stakeholders to assess natural resource conditions, as well as basic information to collect to create a baseline assessment. Watershed planning is not a simple, quick process. This guide addresses just the first steps of building a watershed assessment– understanding the current conditions and issues facing your watershed. Beyond the watershed assessment phase is the hard work of utilizing the information from the assessment, along with the results of additional stakeholder feedback, to develop an actual watershed plan. This guide provides an outline of how to complete the watershed assessment portion of your watershed planning effort, but does not provide a detailed step-by-step process. Rather, this document is intended as a resource to help guide you in your efforts by providing suggestions based on real-world watershed planning experience.
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Cline, Sarah A. "An assessment of organizational effectiveness a study of West Virginia watershed associations /." Morgantown, W. Va. : [West Virginia University Libraries], 1999. http://etd.wvu.edu/templates/showETD.cfm?recnum=687.

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Thesis (M.S.)--West Virginia University, 1999.
Title from document title page. Document formatted into pages; contains v, 122 p. : maps. Vita. Includes abstract. Includes bibliographical references (p. 98-103).
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Arias, Rojo Hector Manuel. "Modeling the movement of tebuthiuron in runoff and soil water." Diss., The University of Arizona, 1986. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu_e9791_1986_331_sip1_w.pdf&type=application/pdf.

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Hecker, Garret A. "Assessment of Watershed Health on Intermittent Watersheds in Southwestern North Dakota." Thesis, North Dakota State University, 2017. https://hdl.handle.net/10365/28674.

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Watersheds are complex systems that are influenced by many factors including geomorphology, climate, soil, vegetation, and land management. Due to this complexity, a watershed assessment that evaluates both the riparian and upland areas has yet to be developed. We proposed investigating a combination of plant community composition within the greenline, upland ecological site function assessment with the Interpreting Indicators of Rangeland Health (IIRH) protocol, and stream morphological parameters. Stream parameters investigated were Rosgen?s classification method, bank erosion hazard index (BEHI) and bank height ratio (BHR). This research was conducted on five intermittent streams in southwestern North Dakota. We found that facultative wetland species offered the most protection to intermittent streambanks as a result of hydrology. When assessing the uplands it was determined that there is a positive correlation between rangeland health and riparian health. The stream parameter that showed the strongest relationship was the BEHI.
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Hecker, Garret Allen. "Assessment of Watershed Health on Intermittent Watersheds in Southwestern North Dakota." Thesis, North Dakota State University, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10285615.

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Watersheds are complex systems that are influenced by many factors including geomorphology, climate, soil, vegetation, and land management. Due to this complexity, a watershed assessment that evaluates both the riparian and upland areas has yet to be developed. We proposed investigating a combination of plant community composition within the greenline, upland ecological site function assessment with the Interpreting Indicators of Rangeland Health (IIRH) protocol, and stream morphological parameters. Stream parameters investigated were Rosgen’s classification method, bank erosion hazard index (BEHI) and bank height ratio (BHR). This research was conducted on five intermittent streams in southwestern North Dakota. We found that facultative wetland species offered the most protection to intermittent streambanks as a result of hydrology. When assessing the uplands it was determined that there is a positive correlation between rangeland health and riparian health. The stream parameter that showed the strongest relationship was the BEHI.

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Patil, Sopan Dileep. "Information transfer for hydrologic prediction in engaged river basins." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/42858.

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In many parts of the world, developed as well as developing, rivers are not gauged for continuous monitoring. Streamflow prediction at such "ungauged" river catchments requires information transfer from gauged catchments that are perceived to be hydrologically similar to them. Achieving good predictability at ungauged catchments requires an in-depth understanding of the physical and climatic controls on hydrologic similarity among catchments. This dissertation attempts to gain a better understanding of these controls through three independent research studies that use data from catchments across the continental United States. In the first study, I explore whether streamflow similarity among nearby catchments is preserved across flow conditions. Catchments located across four river basins in the northeast United States are analyzed to quantify the spatio-temporal variability in streamflows across flow percentiles. Results show that similarity in catchment stream response is dynamic and highly dependent on flow conditions. Specifically, the coefficient of variation is high at low flow percentiles and gradually reduces for higher flow percentiles. This study concludes that high variability at low flows is controlled by the dominance of high evaporative demand, whereas low variability at high flows is controlled by the dominance of precipitation input relative to evapotranspiration. In the second study, I examine whether streamflow similarity among catchments exists across a wide range of climatic and geographic regions. Data from 756 catchments across the United States is used and daily streamflow at each catchment is simulated using distance-based streamflow interpolation from neighboring catchments. With this approach, high predictability at a catchment indicates that catchments in its vicinity have similar streamflows. Results show that high predictability catchments are mainly confined to the Appalachian Mountains, the Rocky Mountains, and Cascade Mountains in the Pacific Northwest. Low predictability catchments are located mostly in the drier regions of US to the west of Mississippi river. Results suggest that streamflow similarity among nearby catchments is more likely in humid runoff-dominated regions than in dry evapotranspiration-dominated regions. In the third study, my goal is to identify what constitutes the essential information that must be transferred from gauged to ungauged catchments in order to achieve good model predictability. A simple daily time-step rainfall-runoff model is developed and implemented over 756 catchments located across the United States. Results show that the rainfall-runoff model simulates well at catchments in humid low-energy environments, most of which are located in the eastern part of the US, the Rocky Mountains, and to the west of Cascade Mountains. Within these regions, transfer of the parameter characterizing hydrograph recession provides reliable streamflow predictions at ungauged catchments, with a loss in prediction efficiency of less than 10% in most catchments. The results presented in this dissertation show that climate exerts a strong control on hydrologic similarity among catchments. The results further suggest that an understanding of the interaction between climate and topography is essential for quantifying the spatial variability in catchment hydrologic behavior at a regional scale.
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Heller, Jill Ann. "The effects of stock ponds on downstream potential recharge in the Arivaca Creek Watershed." Thesis, The University of Arizona, 1999. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu_etd_hy0037_m_sip1_w.pdf&type=application/pdf.

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Chen, Chu. "Stakeholder Involvement and Public Outreach Strategies Identified from Watershed Councils in Oregon." Thesis, University of Oregon, 2009. http://hdl.handle.net/1794/9979.

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xii, 78 p. A print copy of this thesis is available through the UO Libraries. Search the library catalog for the location and call number.
Watershed councils in Oregon have been created and developed for collaborative watershed management since the 1990s. Although a lot of research has been conducted to examine the conceptual framework and practical experience of watershed councils, there have been fewer investigations of the outreach and education strategies used by watershed councils. The goal of this study is to identify the range of outreach strategies that have been used by watershed collaboratives and discuss how these strategies relate with councils focused at the organizational level compared to those focused at the action level. OWEB grant applications provide the major source of data for examining a sample of eighteen among more than ninety watershed councils in Oregon. The study results reveal that watershed councils' outreach strategies include direct involvement and public outreach. The planning of outreach is incorporated into mission statements, organizational governance, board member representatives and recruitment, decision-making processes, meetings, community events, watershed events, invitation and tracking, and outcome measures. Action and organizational groups use similar public outreach approaches but adopt different direct involvement strategies. Action councils rely more on direct involvement from participants in the community, while organizational councils are more likely to use partnerships to achieve their involvement goals. Three themes emerged from this research. Organizational councils need to create "in-group" awareness and connectivity to their watershed communities since these councils lack a sense of place-based identification. Social networks are important for action councils' outreach and education, but organizational groups depend more on interorganizational networks. Lastly, multiple levels of public participation are realized in the implementation of outreach strategies by watershed councils in Oregon.
Committee in charge: Dr. Richard D. Margerum, Chair; Dr. Patricia F. McDowell
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Cittone, Marc. "Contributions of stakeholder-based watershed initiatives in mining-impacted watersheds in Colorado." Diss., Connect to online resource, 2006. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1433463.

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Wang, Yang. "Application of a nonpoint source pollution model to a small watershed in Virginia." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-11012008-063232/.

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Books on the topic "Watersheds"

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Rao, K. V. Seshagiri. Watersheds: Comprehensive development. Hyderabad: B.S. Publications, 2000.

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American Fisheries Society. Oregon Chapter. Oregon critical watersheds database. Corvallis, Or: Oregon Chapter, American Fisheries Society, 1993.

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DeBarry, Paul A. Watersheds: Processes, assessment, and planning. Hoboken, N.J: Wiley, 2004.

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N, Brooks Kenneth, ed. Hydrology and the management of watersheds. Ames: Iowa State University Press, 1991.

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Group, Scotland Environment and Rural Affairs Dept Environment. River basin districts: Proposals for Scotland. Edinburgh: Scottish Executive Environment Group, 2003.

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Council, Midcoast Watersheds. Midcoast sixth field watershed assessment: Final report. [Newport, Or.]: Midcoast Watersheds Council, 2001.

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Sinha, S. P. Study on watershed programme with reference to DDP districts of Haryana. Nilokheri, Karnal: Haryana Institute of Rural Development, 2003.

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Johnsson, Rosa Maria Formiga, and Paula Duarte Lopes. Retratos 3 x 4 das bacias pesquisadas. Brasília, DF: Projeto Marca d'Água, Núcleo de Pesquisas em Políticas Públicas, 2003.

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Peerbolte, E. B. Baggar Dona feasibility study, coastal morphodynamic studies and surveys, Hatiya River survey. [Dhaka], Bangladesh: Char Development and Settlement Project II, 2001.

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Patrizio, Warren, ed. Why invest in watershed management? Rome: Food and Agriculture Organization of the United Nations, 2007.

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Book chapters on the topic "Watersheds"

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Viennot, Laurence. "Watersheds." In Teaching Physics, 7–40. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-010-0121-2_2.

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Bratton, Susan Power. "Watersheds." In Religion and the Environment, 91–105. Names: Bratton, Susan, author. Title: Religion and the environment: an introduction / Susan Power Bratton. Description: Abingdon, Oxon; New York: Routledge, 2021.: Routledge, 2020. http://dx.doi.org/10.4324/9780203702765-6.

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Najman, Laurent. "Ultrametric Watersheds." In Lecture Notes in Computer Science, 181–92. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-03613-2_17.

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Maia, Deise Santana, Jean Cousty, Laurent Najman, and Benjamin Perret. "Recognizing Hierarchical Watersheds." In Discrete Geometry for Computer Imagery, 300–313. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-14085-4_24.

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Reeves, Gordon H., and Thomas A. Spies. "Watersheds and Landscapes." In People, Forests, and Change, 207–22. Washington, DC: Island Press/Center for Resource Economics, 2017. http://dx.doi.org/10.5822/978-1-61091-768-1_15.

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Rabideau, Alan J., and Kenneth E. Shockley. "Rivers and watersheds." In The Routledge Companion to Environmental Ethics, 179–91. New York: Routledge, 2022. http://dx.doi.org/10.4324/9781315768090-20.

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Burroughs, Richard. "Watersheds and Bays." In Coastal Governance, 143–62. Washington, DC: Island Press/Center for Resource Economics, 2011. http://dx.doi.org/10.5822/978-1-61091-016-3_9.

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"List of illustrations." In Watersheds, vii—viii. Academic Studies Press, 2019. http://dx.doi.org/10.1515/9781618114884-001.

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"Acknowledgments." In Watersheds, ix—xii. Academic Studies Press, 2019. http://dx.doi.org/10.1515/9781618114884-002.

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"Introduction." In Watersheds, xiii—xxxii. Academic Studies Press, 2019. http://dx.doi.org/10.1515/9781618114884-003.

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Conference papers on the topic "Watersheds"

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Singh, Parampreet, Nadeem Ahmad Khan, Arun Khosla, and Girish Pujar. "Role of Serious Games in enriching Watershed Conservation Manoeuvres." In International Conference on Women Researchers in Electronics and Computing. AIJR Publisher, 2021. http://dx.doi.org/10.21467/proceedings.114.54.

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Watershed management is important for sustainable development. But now because of lack of education, faulty practices and other uncertain factors, watersheds are deteriorating and that needs to be checked. Already, lots of government/non-government projects and are going on in that direction. Serious games or educational games are also being used as a tool to teach watershed conservation. This paper brings out the importance of serious games in the enriching of watershed conservation activities. How these games can solve various issues regarding watershed management and can bring about coherence in authorities and stakeholders to work together. In this paper, we will evaluate a few games about how they help to enhance knowledge among individuals, teach them good practices about watershed conservation and refrain them from using their ongoing wrong practices that have the potential to harm them and their surroundings in the long term.
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Kyna E McKee, R Karthikeyan, and Patricia K Smith. "Watershed Protection Plan in Rural Texas Watersheds Using Spatial Tools." In 21st Century Watershed Technology: Improving Water Quality and Environment Conference Proceedings, 21-24 February 2010, Universidad EARTH, Costa Rica. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2010. http://dx.doi.org/10.13031/2013.29428.

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Raymond, Peter, Taylor Maavara, Shaoda Liu, and Jake Hosen. "Watersheds as Reactors." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.2177.

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M (W) Gitau, R Srivastava, and I Chaubey. "Watershed Response Modeling in Arkansas Priority Watersheds: Experience with SWAT autocalibration." In 2007 Minneapolis, Minnesota, June 17-20, 2007. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2007. http://dx.doi.org/10.13031/2013.22974.

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Qasem, Karoline, Adrienne Nemura, and Karoline Qasem. "Addressing Nutrient Impairment in Illinois Watersheds: Challenges for Watershed-based Permitting." In WEFTEC 2023. Water Environment Federation, 2023. http://dx.doi.org/10.2175/193864718825158998.

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Rakhmatika, I. A. "APPLICATION OF A RAINFALL-RUNOFF MODEL FOR ASSESSING THE EFFECT OF LAND USE CHANGE ON FLOOD CHARACTERISTICS IN SERANG REGENCY, BANTEN." In 7th International Conference on Sustainable Built Environment. Universitas Islam Indonesia, 2023. http://dx.doi.org/10.20885/icsbe.vol4.art33.

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A flood in Serang Regency is predicted to occur due to changes in land use in the Ciujung River Basin. Land cover conditions in upstream areas affect flooding in downstream areas. A study is needed to evaluate the runoff from the Ciujung River Basin that reaches the flood-prone area in Serang Regency. This research aims to identify the effect of land-use change on floods in the Serang Regency and identify sub-watersheds that have a dominant influence on floods. The effect of the land-use change was analyzed by determining the composite curve number (CN) values in 2010 and 2019. Composite CN values were used for simulating flood hydrographs with 5, 20, 50, 100, and 1000 return periods using a simple semi-distributed rainfall-runoff hydrological model. The results showed that all sub-watersheds experienced an increase in composite CN values. The upper middle sub-watershed has a dominant influence on floods in normal conditions ranging from 9.2%-19.6%, in wet conditions ranging from 2.4%-6.5%. Implementing the spatial pattern of the Banten Provincial Plan 2010-2030 can reduce the composite CN value and the peak discharge of flood by around 7.3%-13.3% for normal conditions, in wet conditions down by about 1.7%-4.1% for each return period.
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Tretyakov, Victor, Stepan Klubov, Vasiliy Dmitriev, Anna Nikulina, and Adilkhan Orazalin. "ASCERTAINMENT OF URBANIZED WATERSHEDS PARAMETERS FOR EVALUATION OF BIOGENIC ELEMENTS OUTFLOW." In 23rd SGEM International Multidisciplinary Scientific GeoConference 2023. STEF92 Technology, 2023. http://dx.doi.org/10.5593/sgem2023/2.1/s08.17.

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All the affluent countries are characterized by urbanization. Increase of the urbanized areas leads to change of total nitrogen and phosphorus unit discharges from the catchment areas. Therefore, there is necessity of the watersheds parameters ascertainment for usage of them at the biogenic elements outflow calculation. For that reason, we must determine the watersheds boundaries and types of surface within the watersheds. The considered methodology includes the watersheds boundaries ascertainment by means of digital terrain model processing. The models can be produced on the base of global terrain models SRTM or ASTER GDEM, or by digitalization of hypsographic curves of topographic maps. Urban areas do not allow directly usage of the global terrain models for the watersheds boundaries ascertainment because the altitude values of the models have distortions due to the radar signal reflection from roofs, structures, trees, scrubs, and so on. There is considered method of the precise altitude values selection and producing of correct digital terrain model. The other way for the terrain models making consists in interpolation of altitude values of a point layer produced by topographic map digitalization. There is presented methodology for ascertainment of various surface types within urbanized watersheds by supervised classification of composite images in the Quantum GIS module �Dzetsaka classification dock�.
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Tretyakov, Victor, Stepan Klubov, Anna Nikulkina, and Vasiliy Dimitriev. "METHODOLOGY OF TOTAL PHOSPHORUS AND NITROGEN OUTFLOW UNIT DISCHARGES EVALUATION FOR WATERSHEDS WITHOUT MONITORING POINTS." In 23rd SGEM International Multidisciplinary Scientific GeoConference 2023. STEF92 Technology, 2023. http://dx.doi.org/10.5593/sgem2023v/3.2/s12.20.

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Anthropogenic eutrophication is the main ecological problem of the Baltic Sea. However, there are many rivers entering the sea without monitoring points. The paper presents methodology for evaluation of the total phosphorus and nitrogen discharges outflow unit discharges from catchment areas of such rivers. As example, we consider Russian part of the Finnish Gulf catchment area. The first stage of the methodology consists in determination of partial catchment areas of rivers with water runoff and the biogenic elements concentrations monitoring points. We must determine the watersheds upstream the monitoring points. The next stage of the exploration is determination of the watersheds spatial landscape structure and the relief features. The stages are processed by GIS-technologies. The same processing must be applied to catchment areas of the rivers without monitoring points. Thus, it is necessary comparison of the watersheds parameters of both the above-mentioned types by means of cluster analysis. As the result, we must determine analogue watersheds of the rivers with the monitoring points for the catchment areas without the points. Of course, the watersheds must have similar landscape structures and relief parameters. At the exploration next stage, we calculate the unit discharges from the analogue watersheds on the base of the monitoring data. The final exploration stage consists in evaluation of the biogenic elements outflow from the watersheds of the rivers without the monitoring points. The research results can be used for planning of actions for marine ecosystems biodiversity keeping and the water resources maintenance for fishery and recreation.
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"The AgroEcoSystem-Watershed (AgES-W) Model: Overview and Application to Experimental Watersheds." In 2015 ASABE International Meeting. American Society of Agricultural and Biological Engineers, 2015. http://dx.doi.org/10.13031/aim.20152163051.

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Couprie, Camille, Leo Grady, Laurent Najman, and Hugues Talbot. "Anisotropic diffusion using power watersheds." In 2010 17th IEEE International Conference on Image Processing (ICIP 2010). IEEE, 2010. http://dx.doi.org/10.1109/icip.2010.5653896.

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Reports on the topic "Watersheds"

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Haring, Christopher, and David Biedenharn. Channel assessment tools for rapid watershed assessment. Engineer Research and Development Center (U.S.), April 2021. http://dx.doi.org/10.21079/11681/40379.

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Existing Delta Headwaters Project (DHP) watershed stabilization studies are focused on restoration and stabilization of degraded stream systems. The original watershed studies formerly under the Demonstration Erosion Control (DEC) Project started in the mid 1980s. The watershed stabilization activities are continuing, and because of the vast number of degraded watersheds and limited amount of yearly funding, there is a need for developing a rapid watershed assessment approach to determine which watersheds to prioritize for further work. The goal of this project is to test the FluvialGeomorph (FG) toolkit to determine if the Rapid Geomorphic Assessment approach can identify channel stability trends in Campbell Creek and its main tributary. The FG toolkit (Haring et al. 2019; Haring et al. 2020) is a new rapid watershed assessment approach using high-resolution terrain data (Light Detection and Ranging [LiDAR]) to support U.S. Army Corps of Engineers (USACE) watershed planning. One of the principal goals of the USACE SMART (Specific Measureable Attainable Risk-Informed Timely) Planning is to leverage existing data and resources to complete studies. The FG approach uses existing LiDAR to rapidly assess either reach-specific analysis for smaller more focused studies or larger watersheds or ecosystems. The rapid assessment capability can reduce the time and cost of planning by using existing information to complete a preliminary watershed assessment and provide rapid results regarding where to focus more detailed study efforts.
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Turner, R. J. W., J. J. Clague, and B. J. Groulx. Mountain watersheds. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1996. http://dx.doi.org/10.4095/208247.

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Barker, Amanda, Taylor Sullivan, W. Baxter, Robyn Barbato, Shawn Gallaher, Grace Patton, Joseph Smith, and Thomas Douglas. Iron oxidation–reduction processes in warming permafrost soils and surface waters expose a seasonally rusting Arctic watershed. Engineer Research and Development Center (U.S.), June 2024. http://dx.doi.org/10.21079/11681/48714.

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Landscape-scale changes from climate change in the Arctic affect the soil thermal regime and impact the depth to permafrost in vulnerable tundra watersheds. When top-down thaw of permafrost occurs, oxygen and porewaters infiltrate deeper in the soil column exposing fresh, previously frozen material and altering redox conditions. A gap remains in understanding how redox stratifications in thawing permafrost impact the geochemistry of watersheds in response to climate change and how investigations into redox may be scaled by coupling extensive geophysical mapping techniques. In this study, we collected soils and soil porewaters from three soil pits and surface water samples from an Arctic watershed on the North Slope of Alaska and analyzed for trace metals iron (Fe) and manganese (Mn) and Fe oxidation state using bulk and microscale techniques. We also used geophysical mapping and soil thermistors to measure active layer depths across the watershed to relate accelerating permafrost thaw to watershed geochemistry. Overall, evidence showed that Fe and Mn could be useful as geochemical indicators of permafrost thaw and release of Fe(II) from thawing permafrost and further oxidation to Fe(III) could translate to a higher degree of seasonal rusting coinciding with the warming and thawing of near surface-permafrost.
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Meselhe, Ehab A., and Emad H. Habib. Hydrologic Investigation of Low Gradient Watersheds. Fort Belvoir, VA: Defense Technical Information Center, October 2005. http://dx.doi.org/10.21236/ada440996.

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Rao, A. Regionalization of Indiana Watersheds for Flood Flow Predictions Phase I: Studies in Regionalization of Indiana Watersheds. West Lafayette, IN: Purdue University, 2004. http://dx.doi.org/10.5703/1288284313303.

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Johnson, Billy, and Zhonglong Zhang. The demonstration and validation of a linked watershed-riverine modeling system for DoD installations : user guidance report version 2.0. Engineer Research and Development Center (U.S.), April 2021. http://dx.doi.org/10.21079/11681/40425.

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A linked watershed model was evaluated on three watersheds within the U.S.: (1) House Creek Watershed, Fort Hood, TX; (2) Calleguas Creek Watershed, Ventura County, CA; and (3) Patuxent River Watershed, MD. The goal of this demonstration study was to show the utility of such a model in addressing water quality issues facing DoD installations across a variety of climate zones. In performing the demonstration study, evaluations of model output with regards to accuracy, predictability and meeting regulatory drivers were completed. Data availability, level of modeling expertise, and costs for model setup, validation, scenario analysis, and maintenance were evaluated in order to inform installation managers on the time and cost investment needed to use a linked watershed modeling system. Final conclusions were that the system evaluated in this study would be useful for answering a variety of questions posed by installation managers and could be useful in developing management scenarios to better control pollutant runoff from installations.
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Furniss, Michael J., Ken B. Roby, Dan Cenderelli, John Chatel, Caty F. Clifton, Alan Clingenpeel, Polly E. Hays, et al. Assessing the vulnerability of watersheds to climate change: results of national forest watershed vulnerability pilot assessments. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 2013. http://dx.doi.org/10.2737/pnw-gtr-884.

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Lin, Jeff P., Ronald D. Smith, and Barbara A. Kleiss. Using a Multi-Scale Assessment of Watershed Integrity (MAWI) Approach for Establishing Baseline Conditions in Watersheds. Fort Belvoir, VA: Defense Technical Information Center, April 2008. http://dx.doi.org/10.21236/ada479072.

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Vehia Wheeler, Vehia Wheeler. Te Vaa Mataeinaa - Healthy Watersheds in Moorea. Experiment, November 2021. http://dx.doi.org/10.18258/22736.

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Desbarats, A. Cumulative effects in the cobalt watersheds projet. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/329839.

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