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Статті в журналах з теми "Rainfall-runoff experiments"
Kai, Wu, and Liu Changming. "Three instruments used in rainfall—runoff simulation experiments." Hydrological Processes 2, no. 2 (April 1988): 151–54. http://dx.doi.org/10.1002/hyp.3360020205.
Повний текст джерелаVergroesen, T., U. Man Joshi, N. C. van de Giesen, and F. H. M. van de Ven. "High resolution rainfall – runoff measurement setup for green roof experiments in a tropical environment." Hydrology and Earth System Sciences Discussions 7, no. 6 (December 7, 2010): 9367–410. http://dx.doi.org/10.5194/hessd-7-9367-2010.
Повний текст джерелаHerrnegger, M., H. P. Nachtnebel, and K. Schulz. "From runoff to rainfall: inverse rainfall–runoff modelling in a high temporal resolution." Hydrology and Earth System Sciences Discussions 11, no. 12 (December 5, 2014): 13259–309. http://dx.doi.org/10.5194/hessd-11-13259-2014.
Повний текст джерелаMa, Baoguo, Ronghao Guan, Liang Liu, Zhixi Huang, Shuanwang Qi, Zengfu Xi, Ying Zhao, Shihao Song, and Hong Yang. "Nitrogen Loss in Vegetable Field under the Simulated Rainfall Experiments in Hebei, China." Water 13, no. 4 (February 21, 2021): 552. http://dx.doi.org/10.3390/w13040552.
Повний текст джерелаSong, Shuang, and Wen Wang. "Impacts of Antecedent Soil moisture on the Rainfall–Runoff Transformation Process Based on High-Resolution Observations in Soil Tank Experiments." Water 11, no. 2 (February 9, 2019): 296. http://dx.doi.org/10.3390/w11020296.
Повний текст джерелаYang, Xu, Xue-Yi You, Min Ji, and Ciren Nima. "Influence factors and prediction of stormwater runoff of urban green space in Tianjin, China: laboratory experiment and quantitative theory model." Water Science and Technology 67, no. 4 (February 1, 2013): 869–76. http://dx.doi.org/10.2166/wst.2012.600.
Повний текст джерелаMan, Zihao, Qinghua Luan, Dan Xu, Congwu Sun, and Yongzhen Niu. "The Design and Check of Regional Typical Rainfall Processes: A Case Study of Yongnian District, China." MATEC Web of Conferences 246 (2018): 01009. http://dx.doi.org/10.1051/matecconf/201824601009.
Повний текст джерелаLuo, Banglin, Zhen Han, Jing Yang, and Qing Wang. "Assessment of Erosion Characteristics in Purple and Yellow Soils Using Simulated Rainfall Experiments." International Journal of Environmental Research and Public Health 19, no. 1 (December 30, 2021): 357. http://dx.doi.org/10.3390/ijerph19010357.
Повний текст джерелаDas, P., K. Mahmud, and S. Karmaker. "Surface-Runoff Characteristics under Simulated Rainfall Conditions." Progressive Agriculture 24, no. 1-2 (June 17, 2014): 219–27. http://dx.doi.org/10.3329/pa.v24i1-2.19175.
Повний текст джерелаvan, Rees H., and RC Boston. "Evaluation of Factors Affecting Surface Runoff on Alpine Rangeland in Victoria." Rangeland Journal 8, no. 2 (1986): 97. http://dx.doi.org/10.1071/rj9860097.
Повний текст джерелаДисертації з теми "Rainfall-runoff experiments"
Blumenfeld, Hana Devorah. "Quantifying rangeland health indicators using runoff and sediment from rainfall simulator experiments." Thesis, The University of Arizona, 2002. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu_etd_hy0041_m_sip1_w.pdf&type=application/pdf.
Повний текст джерелаSulistiyono, Heri. "Rainfall-runoff model calibration using experimental designs and response surface methodology." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0001/MQ42452.pdf.
Повний текст джерелаCosta, Alexandre Cunha. "Hidrologia de uma Bacia Experimental em Caatinga Conservada no Semi-Ãrido Brasileiro." Universidade Federal do CearÃ, 2007. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=682.
Повний текст джерелаO objetivo geral foi quantificar e avaliar os principais processos hidrol?gicos, incluindo a produ??o de sedimentos, da Bacia Experimental de Aiuaba (BEA) para o per?odo de 2003-2007. A BEA, com ?rea de 12 km2, est? localizada no sert?o dos Inhamus em ?rea de conserva??o ambiental do bioma caatinga na Esta??o Ecol?gica (ESEC) de Aiuaba, Cear?, pertencente ? bacia do Alto Jaguaribe. Realizou-se caracteriza??o da fisiografia, medi??o de vari?veis hidrol?gicas, avalia??o de processos chuva-defl?vio na bacia hidrogr?fica e no reservat?rio que a controla. Conclui-se que: o processo de infiltra??o do a?ude da BEA (capacidade de 59.700 m3) ? relevante e da mesma ordem de grandeza da evapora??o; a recarga subterr?nea direta ao lago ? desprez?vel em rela??o ? evapora??o e ? infiltra??o; durante os eventos chuva-defl?vio a evapora??o, a infiltra??o e a recarga subterr?nea s?o desprez?veis em rela??o ao defl?vio afluente e ? precipita??o direta sobre o lago. Conclui-se, dos eventos chuva-defl?vio e produ??o de sedimentos, que: o coeficiente de runoff (CR) dos eventos ? extremamente baixo, sendo as l?minas d??gua escoadas menores que as l?minas interceptadas pela vegeta??o; o N?mero de Curva (CN) m?dio por evento foi 42, com m?ximo de 59 e m?nimo de 27; a produ??o de sedimentos apresentou valores entre 9 e 291 kg/km2 para eventos de 2006-2007, e m?dia de 97 kg/km2 por evento; o escoamento superficial ? ef?mero: o tempo de defl?vio foi somente 64% maior que o tempo da precipita??o por evento; as perdas elevadas no escoamento superficial ocorrem, em parte, por perdas em tr?nsito no riacho principal; a l?mina escoada na bacia do riacho secund?rio foi oito vezes maior que na bacia do riacho principal em 2007. Inferiu-se que o mecanismo de gera??o de defl?vio superficial predominante ? o hortoniano e que, se relevante, a contribui??o do escoamento subsuperficial deve ocorrer a uma profundidade menor que 15 cm. O CR m?dio anual da BEA foi 6,54% (m?ximo de 31,08% e m?nimo de 0,13%). No ano de 2004 a l?mina escoada na BEA foi 35 vezes maior que a soma das l?minas escoadas nos demais anos. Dos 1543 dias monitorados, em apenas 139 dias ocorreu escoamento (9%), sendo 28 dias de escoamento nos anos n?o-chuvosos (1,8%). A produ??o de sedimentos em 2007 foi cinco vezes maior que em 2006, e para o bi?nio 2006-07 o m?s de maior escoamento (abril de 2007) foi respons?vel por 71% da produ??o de sedimentos. Comparando-se o CR anual da BEA com outras bacias no rio Jaguaribe, a BEA foi uma das que apresentou menor coeficiente de runoff. Formulou-se a hip?tese de a BEA ser uma ?rea de recarga de aq??fero fraturado, que condiciona processos hidrol?gicos superficiais.
Barbosa, Luís Romero. "Relações de precipitações-umidade do solo-vazão de eventos sub-diários em bacias experimentais do NE Brasileiro." Universidade Federal da Paraíba, 2015. http://tede.biblioteca.ufpb.br:8080/handle/tede/7683.
Повний текст джерелаMade available in DSpace on 2016-01-05T12:43:51Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 7469211 bytes, checksum: 99e23a5e3e827ec0fdf765d03f0f8601 (MD5) Previous issue date: 2015-03-27
Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPq
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES
The assessment of rainfall-runoff transformation mechanisms with high temporal resolution data has proven crucial to the improving of hydrological studies, by providing detailed knowledge and information about the properties and the characteristics of their main variables. This study aimed at assessing the influence of rainfall event definition criteria in determining the characteristics of hyetographs, as well as in investigating the hydrological relations of rainfall events and antecedent soil moisture with those of the runoff hydrograph, by means of statistical techniques, in experimental basins in Northeast Brazil. To this end, a portion of the data was acquired, in sub-hourly scale, from the databases maintained by the partners of the research since 2003 and the other one was monitored and taken along the hydrological year of 2013-2014 through frequent measurements, performing essays and data processing. Then, descriptive statistics, hypothesis testing, exploratory data analysis, multivariate statistical techniques and multiple linear regression were carried out either for visual inspection or for statistical data investigation, in order to establish variation patterns and evaluate the association degree among variables. The first study revealed that the variation in minimum inter-event time criteria has reduced by almost 50% the number of events, and underestimated the average intensity of events by 4 times on average. The second study showed that the tropical coastal basin has approximately 4 times more events than those of semiarid, of which 6% of all events that remain unshaped, contribute to 38% of the total precipitation, and could be reduced by up to 97%, becoming mainly on unimodal events with peak to the left. The third study showed that soil moisture has a similar variation pattern up to 3 days in advance and exerts a significant influence, along with the precipitation and duration of rainfall events on both the runoff coefficient, the peak and the discharge of hydrographs; on the other hand, the principal component responsible for the peak and intensities of hyetographs was significant only on the runoff coefficient, which was, in turn, the best feature set for the multiple linear regression analysis, as it the coefficient of determination was 0.66. Therefore, this study highlights the importance of continuous and systematic hydro-climatological data monitoring for the experimental studies that may provide input to decision-making in water resources management measures.
O entendimento dos mecanismos de transformação chuva-vazão com dados em alta resolução temporal mostra-se fundamental no aperfeiçoamento da maior parte dos estudos hidrológicos, ao provê conhecimento e informação detalhada a respeito das propriedades e características de suas principais variáveis. Este trabalho teve como objetivo avaliar a influência dos critérios de definição de evento chuvoso na determinação das características dos hietogramas, bem como investigar as relações hidrológicas dos eventos chuvosos e da umidade antecedente do solo com aquelas dos hidrogramas de escoamento superficial, por meio de técnicas estatísticas, em bacias experimentais do Nordeste Brasileiro. Para tanto, uma parcela dos dados foi adquirida, em escala sub-horária, dos bancos de dados mantidos pelos parceiros da Rede de Hidrologia do Semiárido (REHISA) desde 2003 e a outra foi monitorada e obtida ao longo do hidrológico 2013-2014, por meio de frequentes medições, realização de ensaios e tratamento de dados. Em seguida, técnicas de estatística descritiva, testes de aderência e de hipóteses, métodos exploratórios de dados, análises estatísticas multivariadas e técnicas de regressão linear múltipla foram utilizadas, quer na inspeção visual, quer na investigação estatística dos dados, a fim de estabelecer padrões de variação e avaliar o grau de associação entre variáveis. O primeiro estudo realizado revelou que a variação do critério de mínimo intervalo de tempo entre eventos fez reduzir em até quase 50% o número de eventos, além de subestimar a intensidade média dos eventos 4 vezes, em média. O segundo estudo mostrou que a bacia hidrográfica tropical costeira apresenta aproximadamente 4 vezes mais eventos do que as do semiárido, dos quais 6% da totalidade dos eventos que permanecem não caracterizados, contribuem para 38% do total precipitado, e puderam ser reduzidos em até 97%, transformando-se, sobretudo, em eventos do tipo unimodal com pico à esquerda. O terceiro estudo mostrou que a umidade do solo apresenta um padrão de variação similar até 3 dias de antecedência e exerce uma influência significante, juntamente com a lâmina precipitada e a duração dos eventos chuvosos, sobre o coeficiente de escoamento, o pico e a vazão do hidrograma; por outro lado, a componente responsável pelo pico e intensidades dos hietogramas foi significante apenas sobre o coeficiente de escoamento, este que, por sua vez, foi a característica melhor ajustada pela análise de regressão múltipla, dado o coeficiente de determinação de 0,66. Portanto, este estudo evidencia a importância do monitoramento contínuo e sistemático de dados hidroclimatológicos para a realização de estudos experimentais que venham a dar subsídios à tomada de decisões em medidas de gerenciamento de recursos hídricos.
Mmachaka, Thandi Nthabiseng. "Infiltration, runoff and particle mobilization on canola fields at langgewens experimental farm, Mooreesburg, Western Cape." 2013. http://hdl.handle.net/11394/3626.
Повний текст джерелаThe primary origin of this project is due to a high demand for freshwater supply in the Berg Water Management Area (WMA). Most of the Berg WMA`s freshwater supply does not live up to the high ecological standards. This is mainly due to high sediments loading in the Berg River which is one of the water supplies to the Berg WMA. The project was conducted on a small-scale catchment at Langgewens experimental farms in Swartland district. The focus of this study was to address some of the hydrological processes active in the research catchment: infiltration, run-off and sediment mobilization on different soil types under wheat and canola vegetation cover. This was done to investigate the origin of sediments in the Berg River. Considering the results, one might conclude that the decayed root systems from the canola and wheat vegetation covers, organic matter content, soil cracks, slope orientation, and soil composition, all played a major role in influencing the ability of the soil to absorb the simulated rainfall. Because the infiltration was calculated using the difference between the incoming simulated rainfall and the measured run-off, there was an inverse relationship between run-off and infiltration. When run-off was low, the infiltration was high and vice versa. iv Factors that governed sediment mobilisation within the ring area are micro topography within the ring area, the slope gradient and vegetation covers. Considering the results, vegetation cover played a pivotal role and it must be maintained at all times. It is advisable that the land users leave crop residual cover behind after the annual harvest and not expose the land surface in bare form for too long as this will generate more run-off and increase sediment mobilisation. The analyses showed that wheat crop protects the soil from rain drop impact than on canola crop.
Shih, Feng-Ming, and 石豐銘. "Study on the Rainfall-Runoff Relationship of FuShan Experimental Watershed No.1 by HEC-1 Flood Hydrograph Package." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/69548096013004968609.
Повний текст джерела臺灣大學
森林環境暨資源學研究所
95
This study was to probe the rainfall-runoff relationships of FuShan Experimental Watershed No. 1 (FS1) of Taiwan Forestry Research Institute (TFRI). HEC-1 model based on the Kinematic wave method was used to calculate runoff hydrograph, that compare to the observed runoff hydrograph, to examine whether HEC-1 would be applicable to small watershed or not. Among the collected rainfall-runoff data at FS1 during 2002 to 2006, 8 rainfall-runoff cases with single-peaked hyetograph were chosen to calibrate the input parameters of HEC-1 model. Also, another 11 rainfall-runoff cases with similarly single-peaked hyetograph and 8 typhoon cases, namely Rammasun, Sinlaku, Mindulle, Aere, Nock-Ten, Bilis, Bopha, and ShanShan, were used to verify the reliability of the input parameters. From the collected rainfall-runoff data analysis, we found that the rainfall would immediately turn into runoff in most of the hydrological cases. In other words, the hydrological function of water conservation at FS1 should not be over emphasized considering the rapid change from rainfall to runoff in this area. The simulation results done based on HEC-1 model only demonstrated the characteristics of rainfall-runoff hydrograph of all the hydrological cases. However, if we use 3 target functions, Error of Peak Discharge (EQP), Error of Time to Peak (ETP), and Error of Total Runoff Volume (EV), to evaluate the simulation results, it shows that the values of EQP of all the 27 rainfall-runoff cases are exceptionally high (Avg. 1292.5%). Although the values of ETP and EV did not show negative results for the 8 rainfall-runoff cases with single-peaked hyetograph and the 11 rainfall-runoff cases with similarly single-peaked hyetograph, still 3 out of the 8 typhoon cases indicate an early timing of peak discharge. Besides, more than half of the 8 typhoon cases appear that the total runoff volume are over 100%. According to the results of the 3 target functions are quite convincing, we could conclude that HEC-1 model is not a proper model to simulate the rainfall-runoff relationships of FS1.
Královec, Václav. "Vliv půdní složky a rozdílného krajinného pokryvu na odtokový proces (experimentální výzkum v párových povodích Zbytiny)." Doctoral thesis, 2018. http://www.nusl.cz/ntk/nusl-411442.
Повний текст джерелаКниги з теми "Rainfall-runoff experiments"
Mustard, Martha H. Runoff characteristics and washoff loads from rainfall-simulation experiments on a street surface and a native pasture in the Denver metropolitan area, Colorado. Washington: U.S. G.P.O., 1987.
Знайти повний текст джерелаR, Ellis Sherman, Gibbs Johnnie W, Denver Regional Council of Governments, and Geological Survey (U.S.), eds. Runoff characteristics and washoff loads from rainfall-simulation experiments on a street surface and a native pasture in the Denver metropolitan area. Lakewood, Colo: U.S. Dept. of the Interior, Geological Survey, 1985.
Знайти повний текст джерелаČ, Maksimović, and Radojković M, eds. Urban drainage catchments: Selected worldwide rainfall-runoff data from experimental catachments. Oxford, OX, England: Pergamon Press, 1986.
Знайти повний текст джерелаRadojkovic, M. Urban Drainage Catchments: Selected Worldwide Rainfall-Runoff Data from Experimental Catchments. Pergamon, 1986.
Знайти повний текст джерелаRadojkovic, M. Urban Drainage Catchments: Selected Worldwide Rainfall-Runoff Data from Experimental Catchments. Pergamon, 1986.
Знайти повний текст джерелаЧастини книг з теми "Rainfall-runoff experiments"
Im, Sangjun, Jeman Lee, Koichiro Kuraji, Yen-Jen Lai, Venus Tuankrua, Nobuaki Tanaka, Mie Gomyo, Hiroki Inoue, and Chun-Wei Tseng. "Soil conservation service curve number determination for forest cover using rainfall and runoff data in experimental forests." In Long-Term Monitoring and Research in Asian University Forests, 14–23. London: CRC Press, 2022. http://dx.doi.org/10.1201/9781003252436-3.
Повний текст джерелаPeishu, Yang, and Lu Yubang. "A Rainfall Runoff Model for Agricultural Drainage in the Experimental Station of the Three-River Plain in Heilongjiang Province." In Flood Hydrology, 97–105. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3957-8_8.
Повний текст джерелаRedel-Macías, María Dolores, Víctor Marín-Moreno, José Ángel Bajo, Mary Nichols, Rafael Pérez, Francisco Bellido, and Encarnación V. Taguas. "Self-Learning of Experimental Measurements of Rainfall, Runoff, and Erosion in Small Rural Catchments By Using Virtual Lab with an Automatic System of Improvement Based on the Internet of Things." In The Internet of Things for Education, 41–62. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-85720-2_4.
Повний текст джерелаAbrahams, Athol D., and Melissa Neave. "Biogeochemical Fluxes across Piedmont Slopes of the Jornada Basin." In Structure and Function of a Chihuahuan Desert Ecosystem. Oxford University Press, 2006. http://dx.doi.org/10.1093/oso/9780195117769.003.0011.
Повний текст джерелаMinea, Gabriel, Romulus Costache, Vasile Turcu, Gabriela Ioana-Toroimac, Nicu-Constantin Tudose, Yeboah Gyasi-Agyei, and Jesús Rodrigo-Comino. "Challenges to improve rainfall-runoff study on experimental field plots." In Precipitation, 223–36. Elsevier, 2021. http://dx.doi.org/10.1016/b978-0-12-822699-5.00009-4.
Повний текст джерелаТези доповідей конференцій з теми "Rainfall-runoff experiments"
Tügel, Franziska, Jonas Adrian Lemke, Aziz Hassan, and Reinhard Hinkelmann. "Suitability of Green-Ampt Parameters for Rainfall-Runoff Simulations of Plot-Scale Field Experiments." In Proceedings of the 39th IAHR World Congress From Snow to Sea. Spain: International Association for Hydro-Environment Engineering and Research (IAHR), 2022. http://dx.doi.org/10.3850/iahr-39wc252171192022472.
Повний текст джерелаYuan, Xing-cheng, and Xin Qian. "Notice of Retraction: Experimental Study on Intercepting Rainfall Runoff with a Permeable Dam." In 2011 5th International Conference on Bioinformatics and Biomedical Engineering. IEEE, 2011. http://dx.doi.org/10.1109/icbbe.2011.5780975.
Повний текст джерелаSingh, Gurdeep, Mansoor Leh, and Pushpendra Singh. "<i>Determination of curve number and estimation of runoff using experimental rainfall and runoff data</i>." In 2018 Detroit, Michigan July 29 - August 1, 2018. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2018. http://dx.doi.org/10.13031/aim.201801512.
Повний текст джерелаZhang, Yali, and Xingchang Zhang. "Experimental Analysis of the Effective Depth of Interaction of Rainfall-Surface Runoff-Soil Nitrogen." In 2009 3rd International Conference on Bioinformatics and Biomedical Engineering (iCBBE). IEEE, 2009. http://dx.doi.org/10.1109/icbbe.2009.5162813.
Повний текст джерелаLiqin (or initial) Qu, Tingwu (or initial) Lei, Jun (or initial) Zhao, Peiling (or initial) Gao, and Lijuan (or initial) Yan. "Laboratory Experimental Study on Runoff and Erosion Processes from a Small Catchment under Rainfall-simulator." In 2007 Minneapolis, Minnesota, June 17-20, 2007. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2007. http://dx.doi.org/10.13031/2013.23214.
Повний текст джерелаЗвіти організацій з теми "Rainfall-runoff experiments"
Gerstl, Zev, Thomas L. Potter, David Bosch, Timothy Strickland, Clint Truman, Theodore Webster, Shmuel Assouline, Baruch Rubin, Shlomo Nir, and Yael Mishael. Novel Herbicide Formulations for Conservation-Tillage. United States Department of Agriculture, June 2009. http://dx.doi.org/10.32747/2009.7591736.bard.
Повний текст джерела