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1

Line, Dan E., Deanna L. Osmond, and Wesley Childres. "Nutrient Export from Agricultural Watersheds in the Piedmont and Coastal Plain, North Carolina." Transactions of the ASABE 62, no. 5 (2019): 1135–45. http://dx.doi.org/10.13031/trans.13052.

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Abstract. Nitrogen (N) and phosphorus (P) input and export rates were determined in six rural, predominantly agricultural watersheds located in the Piedmont and Coastal Plain regions of North Carolina. Water quality monitoring was conducted at the outlets for 2.3 to 8.0 years to determine the annual N and P export from each watershed. Total N and P input and export from five of the six watersheds were correlated, with only a no-till cropland watershed differing. The correlation showed that N and P exports increased by about 4.0% and 8.7%, respectively, of applied N and P for the range of appli
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Djunarsjah, E., M. M. Julian, A. A. Baskoro, and N. R. Alfandi. "Spatial Modeling of Sediment Export Rate with Rainfall Variability Scenario in Peusangan Watershed, Aceh Province." IOP Conference Series: Earth and Environmental Science 925, no. 1 (2021): 012026. http://dx.doi.org/10.1088/1755-1315/925/1/012026.

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Abstract The rainfall affects the environmental interaction of watersheds and coastal areas. The high intensity of rain and water runoff will lift and carry particles in the watershed environment in the erosion process. This study estimates the total exports of sediment in Peusangan Watershed in the period 1995, 2005, 2015, and 2018 with rainfall variability scenarios. Total sediment exports are calculated from the erosion rate and sediment delivery ratio (SDR). Erosion rate modeling uses the RUSLE (Revised Universal Soil Loss Equation) that takes into account erosivity of rainfall, soil erodi
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Santos, Ana Isabel, Anabela Oliveira, José Paulo Pinto, and M. Conceição Freitas. "Hydrodynamic and Sediment Transport Patterns in the Minho and Douro Estuaries (NW Portugal) Based on ADCP Monitoring Data: Part 1-Tidal Sediment Exchanges." Coasts 1, no. 1 (2021): 31–55. http://dx.doi.org/10.3390/coasts1010003.

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The tidal variability of the Minho and Douro lower estuaries (NW Portugal) water column structure was assessed at the semi-diurnal and fortnightly time scales under two contrasting seasonal river flow scenarios during the summer of 2005 and winter of 2006. Sediment fluxes inferred from calibrated ADCP acoustic backscatter revealed that, during spring tides and low runoff conditions, both estuaries act as sinks instead of sources of sediments into the inner shelf. Sediment export occurred during neaps, in both estuaries, when the river flow values were high enough to counteract the effect of th
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Nugroho, N. P. "Sediment export estimation from the catchment area of Lake Rawapening using InVEST model." IOP Conference Series: Earth and Environmental Science 950, no. 1 (2022): 012072. http://dx.doi.org/10.1088/1755-1315/950/1/012072.

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Abstract Sedimentation is one of the main problems of the fifteen priority lakes in Indonesia, including Lake Rawapening. It has adverse impacts on lake, such as siltation that contribute to eutrophication and reduce the lake’s lifetime. Therefore, reducing sedimentation rate was set as one of the super-priority programs of the Lake Rescue Movement. Information on the spatial distribution of sediment export becomes important to implement the program effectively. This study aims to estimate the magnitude and the spatial distribution of sediment export from the catchment area of Lake Rawapening.
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Kulsoontornrat, Jiraporn, and Suwit Ongsomwang. "Suitable Land-Use and Land-Cover Allocation Scenarios to Minimize Sediment and Nutrient Loads into Kwan Phayao, Upper Ing Watershed, Thailand." Applied Sciences 11, no. 21 (2021): 10430. http://dx.doi.org/10.3390/app112110430.

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Human activity and land-use changes have affected the water quality of Kwan Phayao, Upper Ing watershed, due to the associated high sediment load and eutrophication. This study aims to identify suitable LULC allocation scenarios for minimizing sediment and nutrient export into the lake. For this purpose, the LULC status and change were first assessed, based on classified LULC data in 2009 and 2019 from Landsat images, using the SVM algorithm. Later, the land requirements of three scenarios between 2020 and 2029 were estimated, based on their characteristics, and applied to predict LULC change
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Ariagno, Coline, Caroline Le Bouteiller, Peter van der Beek, and Sébastien Klotz. "Sediment export in marly badland catchments modulated by frost-cracking intensity, Draix–Bléone Critical Zone Observatory, SE France." Earth Surface Dynamics 10, no. 1 (2022): 81–96. http://dx.doi.org/10.5194/esurf-10-81-2022.

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Abstract. At the interface between the lithosphere and the atmosphere, the critical zone records the complex interactions between erosion, climate, geologic substrate, and life and can be directly monitored. Long data records (30 consecutive years for sediment yields) collected in the sparsely vegetated, steep, and small marly badland catchments of the Draix–Bléone Critical Zone Observatory (CZO), SE France, allow analyzing potential climatic controls on regolith dynamics and sediment export. Although widely accepted as a first-order control, rainfall variability does not fully explain the obs
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Teng, Tse-Yang, Jr-Chuan Huang, Tsung-Yu Lee, Yi-Chin Chen, Ming-Young Jan, and Cheng-Chien Liu. "Investigating Sediment Dynamics in a Landslide-Dominated Catchment by Modeling Landslide Area and Fluvial Sediment Export." Water 12, no. 10 (2020): 2907. http://dx.doi.org/10.3390/w12102907.

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Few models are capable of simultaneously simulating the sequences of landslide occurrence and sediment export. Quantification of the temporarily stored sediment within the watershed plays a key role to link hillslope landslides with fluvial sediment export. In this study, two coupled models were proposed to simulate time-series total landslide area and the subsequent sediment export on a daily basis with only the inputs of rainfall and runoff. The landslide model considers per-existing and models new landslide, and the sediment transport model incorporates a sediment storage variable. The land
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8

Chiang, Li-Chi, Yung-Chieh Wang, and Ci-Jyun Liao. "Spatiotemporal Variation of Sediment Export from Multiple Taiwan Watersheds." International Journal of Environmental Research and Public Health 16, no. 9 (2019): 1610. http://dx.doi.org/10.3390/ijerph16091610.

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Soil erosion and landslide triggered by heavy rainfall are serious problems that have threatened water resources in Taiwan watersheds. This study investigated the relationship among streamflow, sediment load, sediment concentration and typhoon characteristics (path and rainfall amount) during 2000–2017 for nine gauging stations in five basins (Tamshui River basin, Zhuoshui River basin, Zengwen River basin, Gaoping River basin, and Hualien River basin) representing the diverse geomorphologic conditions in Taiwan. The results showed that streamflow and sediment load were positively correlated, a
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Costa, Anna, Peter Molnar, Laura Stutenbecker, et al. "Temperature signal in suspended sediment export from an Alpine catchment." Hydrology and Earth System Sciences 22, no. 1 (2018): 509–28. http://dx.doi.org/10.5194/hess-22-509-2018.

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Abstract. Suspended sediment export from large Alpine catchments (> 1000 km2) over decadal timescales is sensitive to a number of factors, including long-term variations in climate, the activation–deactivation of different sediment sources (proglacial areas, hillslopes, etc.), transport through the fluvial system, and potential anthropogenic impacts on the sediment flux (e.g. through impoundments and flow regulation). Here, we report on a marked increase in suspended sediment concentrations observed near the outlet of the upper Rhône River Basin in the mid-1980s. This increase coincides wit
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10

Tofelde, Stefanie, Sara Savi, Andrew D. Wickert, Aaron Bufe, and Taylor F. Schildgen. "Alluvial channel response to environmental perturbations: fill-terrace formation and sediment-signal disruption." Earth Surface Dynamics 7, no. 2 (2019): 609–31. http://dx.doi.org/10.5194/esurf-7-609-2019.

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Abstract. The sensitivity of fluvial systems to tectonic and climatic boundary conditions allows us to use the geomorphic and stratigraphic records as quantitative archives of past climatic and tectonic conditions. Thus, fluvial terraces that form on alluvial fans and floodplains as well as the rate of sediment export to oceanic and continental basins are commonly used to reconstruct paleoenvironments. However, we currently lack a systematic and quantitative understanding of the transient evolution of fluvial systems and their associated sediment storage and release in response to changes in b
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11

Schmidt, Lena Katharina, Till Francke, Peter Martin Grosse, and Axel Bronstert. "Projecting sediment export from two highly glacierized alpine catchments under climate change: exploring non-parametric regression as an analysis tool." Hydrology and Earth System Sciences 28, no. 1 (2024): 139–61. http://dx.doi.org/10.5194/hess-28-139-2024.

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Abstract. Future changes in suspended sediment export from deglaciating high-alpine catchments affect downstream hydropower reservoirs, flood hazard, ecosystems and water quality. Yet, quantitative projections of future sediment export have so far been hindered by the lack of process-based models that can take into account all relevant processes within the complex systems determining sediment dynamics at the catchment scale. As a promising alternative, machine-learning (ML) approaches have recently been successfully applied to modeling suspended sediment yields (SSYs). This study is the first,
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12

Stacy, E. M., S. C. Hart, C. T. Hunsaker, D. W. Johnson, and A. A. Berhe. "Soil carbon and nitrogen erosion in forested catchments: implications for erosion-induced terrestrial carbon sequestration." Biogeosciences 12, no. 16 (2015): 4861–74. http://dx.doi.org/10.5194/bg-12-4861-2015.

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Abstract. Lateral movement of organic matter (OM) due to erosion is now considered an important flux term in terrestrial carbon (C) and nitrogen (N) budgets, yet most published studies on the role of erosion focus on agricultural or grassland ecosystems. To date, little information is available on the rate and nature of OM eroded from forest ecosystems. We present annual sediment composition and yield, for water years 2005–2011, from eight catchments in the southern part of the Sierra Nevada, California. Sediment was compared to soil at three different landform positions from the source slopes
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13

Vanmaercke, M., F. Obreja, and J. Poesen. "Impact of earthquake-triggered landslides on catchment sediment yield." Proceedings of the International Association of Hydrological Sciences 367 (March 3, 2015): 291–96. http://dx.doi.org/10.5194/piahs-367-291-2015.

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Abstract. This study explores the role of seismic activity in explaining spatial and temporal variation in sediment export from the Siret basin in Romania. Based on long-term (>30 years) sediment export measurements for 38 subcatchments, we found that spatial variation in sediment yield (SY) is strongly correlated to the degree of seismic activity and catchment lithology. Combined, these factors explain 80% of the variation in SY. To investigate the role of earthquake-triggered landslides in explaining these correlations, we studied the temporal variability in sediment concentrations before
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14

Lee, Hyejung, Valier Galy, Xiaojuan Feng, et al. "Sustained wood burial in the Bengal Fan over the last 19 My." Proceedings of the National Academy of Sciences 116, no. 45 (2019): 22518–25. http://dx.doi.org/10.1073/pnas.1913714116.

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The Ganges–Brahmaputra (G-B) River system transports over a billion tons of sediment every year from the Himalayan Mountains to the Bay of Bengal and has built the world’s largest active sedimentary deposit, the Bengal Fan. High sedimentation rates drive exceptional organic matter preservation that represents a long-term sink for atmospheric CO2. While much attention has been paid to organic-rich fine sediments, coarse sediments have generally been overlooked as a locus of organic carbon (OC) burial. However, International Ocean Discovery Program Expedition 354 recently discovered abundant woo
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15

Peng, Li-Chun, Yu-Pin Lin, Guan-Wei Chen, and Wan-Yu Lien. "Climate Change Impact on Spatiotemporal Hotspots of Hydrologic Ecosystem Services: A Case Study of Chinan Catchment, Taiwan." Water 11, no. 4 (2019): 867. http://dx.doi.org/10.3390/w11040867.

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Hydrologic ecosystem services are greatly affected by the changing climate. In this study, the Integrated Valuation of Ecosystem Services and Tradeoffs (InVEST) model was used to quantify hydrologic ecosystem services. Five general circulation models (GCMs) and two representative concentration pathways (RCPs) were selected to estimate hydrologic ecosystem services. The Local Indicators of Spatial Association (LISA) index was used to identify hydrologic ecosystem hotspots. The hotspots were used to evaluate the impact of climate change on the services. Results indicate that annual water yields
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16

Simone, Michelle N., Kai G. Schulz, Joanne M. Oakes, and Bradley D. Eyre. "Warming and ocean acidification may decrease estuarine dissolved organic carbon export to the ocean." Biogeosciences 18, no. 5 (2021): 1823–38. http://dx.doi.org/10.5194/bg-18-1823-2021.

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Abstract. Relative to their surface area, estuaries make a disproportionately large contribution of dissolved organic carbon (DOC) to the global carbon cycle, but it is unknown how this will change under a future climate. As such, the response of DOC fluxes from microbially dominated unvegetated sediments to individual and combined future climate stressors of temperature change (from Δ−3 to Δ+5 ∘C compared to ambient mean temperatures) and ocean acidification (OA, ∼ 2× current CO2 partial pressure, pCO2) was investigated ex situ. Warming alone increased sediment heterotrophy, resulting in a pr
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17

Ramos, María Concepción, Leticia Gaspar, Iván Lizaga, and Ana Navas. "Sediment and Nutrient Export After Seasonal Rainfall: Comparing Forests vs. Thinned and Degraded Land." Land 14, no. 5 (2025): 1040. https://doi.org/10.3390/land14051040.

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In recent decades, land abandonment due to socioeconomic issues has been a widespread process in different areas of the Mediterranean, altering landscapes and affecting soil properties and erosion processes. The aim of this research was to assess the impact of land use and land cover change on soil properties and sediment composition produced after seasonal rainfall. Mediterranean open forest (OF), pine afforestation (PA), thinned pine (TPA) and barren land (BL) land use/land covers were compared. We analyzed the soil characteristics and sediments that were collected under each form of land us
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18

Douglas, G. B., P. W. Ford, M. Palmer, R. M. Noble, and R. Packett. "Fitzroy River, Queensland, Australia. II. Identification of Sources of Estuary Bottom Sediments." Environmental Chemistry 3, no. 5 (2006): 377. http://dx.doi.org/10.1071/en06010.

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Environmental Context. The Fitzroy River Basin constitutes a major source of suspended sediment and nutrient fluxes to the southern Great Barrier Reef. Improved land management practices to ameliorate these catchment loads require an understanding of the sediment sources and dynamics. This multidisciplinary geochemical and modelling study provides for the first time a quantitative estimate of sediment sources delivered to, and their degree of retention in, the Fitzroy River Estuary. Abstract. Sources of sediment deposited in the Fitzroy River Estuary (FRE) have been identified and quantified u
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19

Douglas, Grant B., Mio Kuhnen, Lynda C. Radke, et al. "Delineation of sediment sources to a coastal wetland in the Great Barrier Reef catchment: influence of climate variability and land clearing since European arrival." Environmental Chemistry 7, no. 2 (2010): 190. http://dx.doi.org/10.1071/en09089.

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Environmental context. Undisturbed sediments provide a record to past events in a catchment. In this study we examine changes in sources of sediment and their variation over the past century due to changes in climate and extensive modification of the catchment after European settlement. We also highlight how multiple lines of forensic evidence acquired from the sediments can be used to reconstruct catchment history over a range of timescales. Abstract. Enhanced delivery of sediment and nutrients to the Great Barrier Reef has the potential to profoundly influence ecological processes in this na
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Wang, Xiaoqin, Zhichao Yu, Lin Li, et al. "Unveiling the Intra-Annual and Inter-Annual Spatio-Temporal Dynamics of Sediment Inflow to Rivers and Driving Factors in Cloud-Prone Regions: A Case Study in Minjiang River Basin, China." Water 16, no. 22 (2024): 3339. http://dx.doi.org/10.3390/w16223339.

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Accurately delineating sediment export dynamics using high-quality vegetation factors remains challenging due to the spatio-temporal resolution imbalance of single remote sensing data and persistent cloud contamination. To address these challenges, this study proposed a new framework for estimating and analyzing monthly sediment inflow to rivers in the cloud-prone Minjiang River Basin. We leveraged multi-source remote sensing data and the Continuous Change Detection and Classification model to reconstruct monthly vegetation factors at 30 m resolution. Then, we integrated the Chinese Soil Loss
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21

Masselink, R., A. J. A. M. Temme, R. Giménez, J. Casalí, and S. D. Keesstra. "Assessing hillslope-channel connectivity in an agricultural catchment using rare-earth oxide tracers and random forests models." Cuadernos de Investigación Geográfica 43, no. 1 (2017): 17. http://dx.doi.org/10.18172/cig.3169.

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Soil erosion from agricultural areas is a large problem, because of off-site effects like the rapid filling of reservoirs. To mitigate the problem of sediments from agricultural areas reaching the channel, reservoirs and other surface waters, it is important to understand hillslope-channel connectivity and catchment connectivity. To determine the functioning of hillslope-channel connectivity and the continuation of transport of these sediments in the channel, it is necessary to obtain data on sediment transport from the hillslopes to the channels. Simultaneously, the factors that influence sed
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Hanief, Aslam, and Andrew E. Laursen. "SWAT modeling of hydrology, sediment and nutrients from the Grand River, Ontario." Water Quality Research Journal 52, no. 4 (2017): 243–57. http://dx.doi.org/10.2166/wqrj.2017.014.

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Abstract The Grand River watershed (GRW) is an important agricultural area in Southern Ontario. Land use has been modified by various human endeavors, altering hydrology and increasing export of sediment and nutrients. The objective of this study was to predict spatial and temporal patterns of hydrology, and export of sediment and nutrients from the GRW to Lake Erie using the Soil and Water Assessment Tool (SWAT) model. The Sequential Uncertainty FItting (SUFI2) program was used to calibrate and validate stream flow for years 2001–2010. Calibration and validation of the SWAT model for monthly
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23

Ferket, B., M. Van De Broek, T. Van Hoestenberghe, et al. "Erosion modelling towards, and sediment transport modelling in unnavigable watercourses in Flanders, Belgium." Proceedings of the International Association of Hydrological Sciences 367 (March 3, 2015): 349–56. http://dx.doi.org/10.5194/piahs-367-349-2015.

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Abstract. Antea Group and KULeuven were awarded a project in Flanders to identify the regions exporting high sediment loads to unnavigable watercourses and the sedimentation zones within them. Two types of models are applied: hydrological sediment export models (SEM) and hydraulic sediment transport models (STM). The influence of erosion control measures on sediment export as well as river engineering measures needs to be taken into account. A concept will be developed to connect the SEM and STM, enabling the sediment to be routed from upstream to the sedimentation zones. Results of the study
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24

Suryanta, J., Y. Wahyudin, M. Darmawan, F. Amhar, I. P. Santikayasa, and I. Nahib. "Estimated sediment exports and erosion in Central Citarum watershed." IOP Conference Series: Earth and Environmental Science 1114, no. 1 (2022): 012099. http://dx.doi.org/10.1088/1755-1315/1114/1/012099.

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Abstract In addition to the problem of water availability and quality, the Citratum watershed is also experiencing problems with soil erosion and sedimentation. Climate change and land use cover are the leading causes of this. Therefore, monitoring water conditions and soil erosion is prioritized in the central Citarum watershed covering an area of 227,020 hectares. The purpose of this study was to determine soil erosion and the spatial distribution of sediment exports. The InVEST SDR method was used to calculate sediment exports and soil erosion. The results showed that the total sediment exp
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25

Dawoud, Osama, Alaeddinne Eljamassi, and Ziyad Abunada. "Mapping and Quantification of Soil Erosion and Sediment Delivery in Poorly Developed Urban Areas: A Case Study." Sustainability 15, no. 18 (2023): 13683. http://dx.doi.org/10.3390/su151813683.

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Poorly developed regions in the Gaza Strip, Palestine, face significant risks to public safety, the environment, and stormwater infrastructure due to soil erosion and deposition. This study is the first of its kind to investigate soil erosion in this area. A revised universal soil loss equation (RUSLE) model was utilized and validated using field measurements of accumulated sediments at three major stormwater detention basins from 2014 to 2020. High-resolution maps were created to capture the urbanization effect and to further improve the future prediction of urbanization. The findings reveale
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Poltak, Hendra, Handayan Handayani, Ismail Ismail, et al. "ANALISIS SENTIMEN PUBLIK TERHADAP KEBIJAKAN EKSPOR SEDIMEN LAUT INDONESIA MELALUI PLATFORM X.COM." PAPALELE (Jurnal Penelitian Sosial Ekonomi Perikanan dan Kelautan) 8, no. 2 (2024): 180–88. https://doi.org/10.30598/papalele.2024.8.2.180.

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Indonesia's marine sediment export policy has become a controversial topic among the public, especially in relation to environmental and socio-economic impacts. This research aims to analyze public sentiment towards Indonesia's marine sediment export policy via the X.com platform (formerly Twitter) using Natural Language Processing (NLP) techniques. Data was taken during the period September to October 2024 using the scraping method using the Twitter API. The dataset consisting of 72 tweets was processed through a data preprocessing step to remove irrelevant elements. Sentiment is analyzed usi
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Mekonnen, Balew Admas, Kerry Anne Mazurek, and Gordon Putz. "Sediment Export Modeling in Cold-Climate Prairie Watersheds." Journal of Hydrologic Engineering 21, no. 5 (2016): 05016005. http://dx.doi.org/10.1061/(asce)he.1943-5584.0001336.

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Delmas, Magalie, Olivier Cerdan, Bruno Cheviron, Jean-Marie Mouchel, and Frederique Eyrolle. "Sediment export from French rivers to the sea." Earth Surface Processes and Landforms 37, no. 7 (2012): 754–62. http://dx.doi.org/10.1002/esp.3219.

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Krafft, Douglas R., Richard Styles, and Mitchell E. Brown. "Feedback between Basin Morphology and Sediment Transport at Tidal Inlets: Implications for Channel Shoaling." Journal of Marine Science and Engineering 10, no. 3 (2022): 442. http://dx.doi.org/10.3390/jmse10030442.

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Increasing societal pressures (e.g., population growth and urbanization) are driving land use change practices in coastal areas that could potentially alter the hydrodynamics and sediment transport patterns near coastal inlets in ways that might exacerbate existing shoaling conditions. To investigate the potential impact of coastal development, a numerical model is used to predict the long-term evolution of an idealized lagoonal-type barrier island inlet under five different morphological conditions that transitioned from net sediment import to net sediment export. The simulations were designe
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Yavari, Shahla, Neil McIntyre, and Thomas Baumgartl. "An Empirical Analysis of Sediment Export Dynamics from a Constructed Landform in the Wet Tropics." Water 13, no. 8 (2021): 1087. http://dx.doi.org/10.3390/w13081087.

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Although plot-scale erosion experiments are numerous, there are few studies on constructed landforms. This limits the understanding of their long-term stability, which is especially important for planning mined land rehabilitation. The objective of this study was to gain insight into the erosion processes in a 30 × 30 m trial plot on a mine waste rock dump in tropical northern Australia. The relationships between rainfall, runoff and suspended and bedload sediment export were assessed at annual, seasonal, inter-event and intra-event timescales. During a five-year study period, 231 rainfall–run
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Sparkes, Robert B., Melissa Maher, Jerome Blewett, et al. "Carbonaceous material export from Siberian permafrost tracked across the Arctic Shelf using Raman spectroscopy." Cryosphere 12, no. 10 (2018): 3293–309. http://dx.doi.org/10.5194/tc-12-3293-2018.

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Abstract. Warming-induced erosion of permafrost from Eastern Siberia mobilises large amounts of organic carbon and delivers it to the East Siberian Arctic Shelf (ESAS). In this study Raman spectroscopy of carbonaceous material (CM) was used to characterise, identify and track the most recalcitrant fraction of the organic load: 1463 spectra were obtained from surface sediments collected across the ESAS and automatically analysed for their Raman peaks. Spectra were classified by their peak areas and widths into disordered, intermediate, mildly graphitised and highly graphitised groups and the di
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Amatya, D. M., R. W. Skaggs, J. W. Gilliam, and J. H. Hughes. "Effects of Orifice-Weir Outlet on Hydrology and Water Quality of a Drained Forested Watershed." Southern Journal of Applied Forestry 27, no. 2 (2003): 130–42. http://dx.doi.org/10.1093/sjaf/27.2.130.

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Abstract Orifice-weir structures at ditch outlets are proposed to reduce peak drainage rates during high flows and to store water during the growing season in poorly drained managed pine plantations. Two coastal watersheds, one conventionally drained (D1) and another with an orifice-weir outlet (D3), were monitored to examine the effects of this orifice treatment on drainage outflows and nutrient exports from drained pine plantations in eastern North Carolina. Five years (1995–1999) of measured hydrologic data showed that the daily water table elevation on D3 was 7 cm higher on average, but wa
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Palleiro, L., M. L. Rodríguez-Blanco, M. M. Taboada-Castro, and M. T. Taboada-Castro. "Hydroclimatic control of sediment and metal export from a rural catchment in northwestern Spain." Hydrology and Earth System Sciences 18, no. 9 (2014): 3663–73. http://dx.doi.org/10.5194/hess-18-3663-2014.

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Abstract. This paper examines sediment and metal (Al, Fe, Mn, Cu, and Zn) exportation at different timescales (annual, seasonal and event) during a 3-year period (2005–2008) in the Mero River headwater, a rural catchment under humid temperate climate. Interannual differences were found both in annual loads and their distributions throughout the year. At annual scale, sediment and particulate metal loads followed the same trend as streamflow, while dissolved metals showed different patterns. Runoff events contributed to 63% of the total sediment load, whereas particulate and dissolved loads in
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Palleiro, L., M. L. Rodríguez-Blanco, M. M. Taboada-Castro, and M. T. Taboada-Castro. "Hydroclimatic control of sediment and metal export from a rural catchment in Northwest Spain." Hydrology and Earth System Sciences Discussions 11, no. 4 (2014): 3757–86. http://dx.doi.org/10.5194/hessd-11-3757-2014.

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Abstract. This paper examines sediment and metal (Al, Fe, Mn, Cu, and Zn) exportation at different time scales (annual, seasonal and event) during a three-year period (2005–2008) in the Mero River headwater, a rural catchment under humid temperate climate. Inter-annual differences were found both in annual loads and their distributions throughout the year. At annual scale, sediment and particulate metal loads followed the same trend as streamflow, while dissolved metals showed different patterns. Runoff events contributed to 63% of the total sediment load, whereas particulate and dissolved met
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Mueller, E. N., A. Güntner, T. Francke, and G. Mamede. "Modelling sediment export, retention and reservoir sedimentation in drylands with the WASA-SED model." Geoscientific Model Development 3, no. 1 (2010): 275–91. http://dx.doi.org/10.5194/gmd-3-275-2010.

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Abstract. Current soil erosion and reservoir sedimentation modelling at the meso-scale is still faced with intrinsic problems with regard to open scaling questions, data demand, computational efficiency and deficient implementations of retention and re-mobilisation processes for the river and reservoir networks. To overcome some limitations of current modelling approaches, the semi-process-based, spatially semi-distributed modelling framework WASA-SED (Vers. 1) was developed for water and sediment transport in large dryland catchments. The WASA-SED model simulates the runoff and erosion proces
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Hanebuth, Till Jens Jörg, Vera Barbara Bender, and Renata Hanae Nagai. "SEDIMENT EXPORT DYNAMICS REFLECTING THE HOLOCENE HYDRODYNAMIC VARIABILITY OF A HIGH-ENERGY CONTINENTAL SHELF SYSTEM (SOUTHEASTERN SOUTH AMERICA)." Journal of Sedimentary Environments 4, no. 3 (2019): 312–31. http://dx.doi.org/10.12957/jse.2019.45616.

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This study reconstructs Holocene hydrodynamic changes on the outer shelf off Uruguay by examining deposits from a morphological terrace on the uppermost continental slope (250 m water depth). Seismo-acoustics, litho- and chronostratigraphy, granulometry, and Neodymium isotopy were applied to three sediment cores. The 9.5-m thick terrace sediment record, documenting the past 11.5 cal ka BP, provides exceptional insight into the transport and settling mechanisms of the sand injected from the shelf into the open ocean. The sandy outer shelf is identified as the principal sediment origin. Contouri
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Sharpe, Hannah, Michel Gosselin, Catherine Lalande, et al. "Influence of a small submarine canyon on biogenic matter export flux in the lower St. Lawrence Estuary, eastern Canada." Biogeosciences 20, no. 24 (2023): 4981–5001. http://dx.doi.org/10.5194/bg-20-4981-2023.

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Abstract. Submarine canyons enhance shelf–slope sediment exchange and influence hydrodynamic processes, with consequences for biogeochemical cycles. This work documents variations in the vertical export of biogenic matter on the northern shore of the lower St. Lawrence Estuary (LSLE, Quebec, eastern Canada), which is characterized by the presence of an active submarine canyon system. A total of three moorings were deployed from November 2020 to September 2021. One nearshore mooring (PDMc) was deployed in the main axis of the Pointe-des-Monts (PDM) canyon system and was equipped with an acousti
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Akanksha Singh, Justin George Kalambukattu, and Suresh Kumar. "Assessing Soil Erosion and Sediment Dynamics in the Balganga Watershed, Uttarakhand: Integration of InVEST-SDR and Fallout Radionuclide (FRN) 137Cs Method." Indian Journal of Soil Conservation 53, no. 1 (2025): 01–16. https://doi.org/10.53550/ijsc.v53.i1.183.

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Soil erosion assessment in mountainous regions is complex due to rugged topography, dynamic land use, and climate interactions. The revised universal soil loss equation (RUSLE) is widely used for regional soil erosion estimation, but it often overestimates soil loss in such landscapes. This study, conducted in the Balganga watershed of Tehri Garhwal, Uttarakhand, integrates the Integrated Valuation of Ecosystem Services and Tradeoffs-Sediment Delivery Ratio (InVEST-SDR) model to provide a more refined estimation of annual soil erosion, sediment export, and retention. Field-based soil sampling
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Diodato, Nazzareno, Naziano Filizola, Pasquale Borrelli, Panos Panagos, and Gianni Bellocchi. "The Rise of Climate-Driven Sediment Discharge in the Amazonian River Basin." Atmosphere 11, no. 2 (2020): 208. http://dx.doi.org/10.3390/atmos11020208.

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The occurrence of hydrological extremes in the Amazon region and the associated sediment loss during rainfall events are key features in the global climate system. Climate extremes alter the sediment and carbon balance but the ecological consequences of such changes are poorly understood in this region. With the aim of examining the interactions between precipitation and landscape-scale controls of sediment export from the Amazon basin, we developed a parsimonious hydro-climatological model on a multi-year series (1997–2014) of sediment discharge data taken at the outlet of Óbidos (Brazil) wat
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Stenfert Kroese, Jaqueline, John N. Quinton, Suzanne R. Jacobs, Lutz Breuer, and Mariana C. Rufino. "Particulate macronutrient exports from tropical African montane catchments point to the impoverishment of agricultural soils." SOIL 7, no. 1 (2021): 53–70. http://dx.doi.org/10.5194/soil-7-53-2021.

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Abstract. Agricultural catchments in the tropics often generate high concentrations of suspended sediments following the conversion of natural ecosystems. The eroded fine particles are generally enriched with carbon (TC) and nutrients (TN and TP) originating from the topsoil of agricultural land. Sediment-associated TC, TN and TP are an important loss to the terrestrial ecosystem and tightly connected to an increase in riverine particulate TC and nutrient export. Soil nutrient depletion can limit crop growth and yields, whereas an excess of nutrients in streams can cause eutrophication in fres
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Kraushaar, Sabine, Gregor Ollesch, Christian Siebert, Hans-Joerg Vogel, and Markus Fuchs. "Long-Term Sediment Export Estimates from Northern Jordan using Roman Cisterns as Sediment Traps." Geoarchaeology 30, no. 4 (2015): 369–78. http://dx.doi.org/10.1002/gea.21517.

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Lu, Shenglan, Brian Kronvang, Joachim Audet, et al. "Modelling sediment and total phosphorus export from a lowland catchment: comparing sediment routing methods." Hydrological Processes 29, no. 2 (2014): 280–94. http://dx.doi.org/10.1002/hyp.10149.

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Zúñiga, Diana, Celia Santos, María Froján, et al. "Diatoms as a paleoproductivity proxy in the NW Iberian coastal upwelling system (NE Atlantic)." Biogeosciences 14, no. 5 (2017): 1165–79. http://dx.doi.org/10.5194/bg-14-1165-2017.

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Abstract. The objective of the current work is to improve our understanding of how water column diatom's abundance and assemblage composition is seasonally transferred from the photic zone to seafloor sediments. To address this, we used a dataset derived from water column, sediment trap and surface sediment samples recovered in the NW Iberian coastal upwelling system. Diatom fluxes (2.2 (±5.6) 106 valves m−2 d−1) represented the majority of the siliceous microorganisms sinking out from the photic zone during all studied years and showed seasonal variability. Contrasting results between water c
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Anjinho, Phelipe da Silva, Mariana Abibi Guimarães Araujo Barbosa, Angeliki Peponi, et al. "Enhancing Water Ecosystem Services Using Environmental Zoning in Land Use Planning." Sustainability 16, no. 11 (2024): 4803. http://dx.doi.org/10.3390/su16114803.

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Land use and land cover (LULC) changes alter the structure and functioning of natural ecosystems, impacting the potential and flow of ecosystem services. Ecological restoration projects aiming to enhance native vegetation have proven effective in mitigating the impacts of LULC changes on ecosystem services. A key element in implementing these projects has been identifying priority areas for restoration, considering that resources allocated to such projects are often limited. This study proposes a novel methodological framework to identify priority areas for restoration and guide LULC planning
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Golbuu, Yimnang, Eric Wolanski, Peter Harrison, Robert H. Richmond, Steven Victor, and Katharina E. Fabricius. "Effects of Land-Use Change on Characteristics and Dynamics of Watershed Discharges in Babeldaob, Palau, Micronesia." Journal of Marine Biology 2011 (2011): 1–17. http://dx.doi.org/10.1155/2011/981273.

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This study assessed the impacts of differing levels of land development in four watersheds in Palau on river sediment yield and on sedimentation and turbidity. Area corrected sediment yield was strongly related to land development (r2=0.96,P=0.02), varying from 9.7 to 216 tons km−2yr−1between the least and most developed watershed. Mean sedimentation rates on reefs ranged from 0.7 to 46 mg cm−2d−1, and mean turbidity ranged from 9 to 139 mg l−1. The higher values exceeded those known to harm corals. Because Palau's watersheds and estuaries are small, river floods were short-lived (typically la
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Gehlen, M., L. Bopp, N. Emprin, O. Aumont, C. Heinze, and O. Ragueneau. "Reconciling surface ocean productivity, export fluxes and sediment composition in a global biogeochemical ocean model." Biogeosciences Discussions 3, no. 3 (2006): 803–36. http://dx.doi.org/10.5194/bgd-3-803-2006.

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Abstract. This study focuses on an improved representation of the biological soft tissue pump in the global three-dimensional biogeochemical ocean model PISCES. We compare three parameterizations of particle dynamics: (1) the model standard version including two particle size classes, aggregation-disaggregation and prescribed sinking speed; (2) an aggregation-disaggregation model with a particle size spectrum and prognostic sinking speed; (3) a mineral ballast parameterization with no size classes, but prognostic sinking speed. In addition, the model includes a description of surface sediments
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Santos, Ana Isabel, Anabela Oliveira, Dora Carinhas, José Paulo Pinto, and M. Conceição Freitas. "Hydrodynamic and Sediment Transport Patterns in the Minho and Douro Estuaries (NW Portugal) Based on ADCP Monitoring Data: Part 2—Statistical Interpretation of Bottom Moored Datasets." Coasts 1, no. 1 (2021): 56–72. http://dx.doi.org/10.3390/coasts1010004.

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Exploratory statistical partitioning methods (K-means Clustering analysis) were applied to ADCP monitoring datasets collected inside the Douro and Minho estuaries. This analysis is aimed to discriminate ADCP acoustic responses according to the variations of the suspended particles within the ensonified medium. Based on the interpretation of the results, this work establishes general sediment transport patterns at both estuaries’ exits under continuously varying river flows and tidal amplitudes recorded during a summer dry seasonal scenario (September 2005) and winter high river discharge (Janu
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Graf, Emma L. S., Hugh D. Sinclair, Mikaël Attal, Boris Gailleton, Basanta Raj Adhikari, and Bishnu Raj Baral. "Geomorphological and hydrological controls on sediment export in earthquake-affected catchments in the Nepal Himalaya." Earth Surface Dynamics 12, no. 1 (2024): 135–61. http://dx.doi.org/10.5194/esurf-12-135-2024.

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Abstract. Large earthquakes can contribute to mountain growth by building topography but also contribute to mass removal from mountain ranges through widespread mass wasting. On annual to decadal or centennial timescales, large earthquakes also have the potential to significantly alter fluvial sediment dynamics if a significant volume of the sediment generated reaches the fluvial network. In this contribution, we focus on the Melamchi–Indrawati and Bhote Koshi rivers in central Nepal, which have both experienced widespread landsliding associated with the 2015 Gorkha (Nepal) earthquake. Using a
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Turner, Kevin W., Michelle D. Pearce, and Daniel D. Hughes. "Detailed Characterization and Monitoring of a Retrogressive Thaw Slump from Remotely Piloted Aircraft Systems and Identifying Associated Influence on Carbon and Nitrogen Export." Remote Sensing 13, no. 2 (2021): 171. http://dx.doi.org/10.3390/rs13020171.

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Ice-rich permafrost landscapes are sensitive to ongoing changes in climate. Permafrost retrogressive thaw slumps (RTSs) represent one of the more abrupt and prolonged disturbances, which occur along Arctic river and lake shorelines. These features impact local travel and infrastructure, and there are many questions regarding associated impacts on biogeochemical cycling. Predicting the duration and magnitude of impacts requires that we enhance our knowledge of RTS geomorphological drivers and rates of change. Here we demonstrate the utility of remotely piloted aircraft systems (RPAS) for docume
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Kineke, G. C., K. J. Woolfe, S. A. Kuehl, J. D. Milliman, T. M. Dellapenna, and R. G. Purdon. "Sediment export from the Sepik River, Papua New Guinea: evidence for a divergent sediment plume." Continental Shelf Research 20, no. 16 (2000): 2239–66. http://dx.doi.org/10.1016/s0278-4343(00)00069-8.

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