نتایج جستجو برای: standardized runoff index
تعداد نتایج: 475316 فیلتر نتایج به سال:
Selection of efficient indices is very important for detecting and measuring random, uniform and clumped distribution patterns of plants in different plant communities. To compare and evaluate indices of dispersion patterns of plants, three stands were selected in Nodushan, Yazd. A (50m*100m) area was selected within each stand for sampling. Sampling was randomly systematicly conducted. Measure...
Phosphorus (P) Index assessment requires independent estimates of long-term average annual P loss from fields, representing multiple climatic scenarios, management practices, and landscape positions. Because currently available measured data are insufficient to evaluate P Index performance, calibrated and validated process-based models have been proposed as tools to generate the required data. ...
Based on the data of 82 meteorological stations and six representative hydrological in four provinces Southwest China (Guizhou, Sichuan, Yunnan, Chongqing), this paper uses standardized precipitation evapotranspiration index (SPEI) runoff (SRI) to analyze spatial temporal evolution characteristics drought study area from 1968 2018. Combined with monsoon historical data, correlation applicabilit...
Drought, as one of the most complicated natural events, causes many direct and indirect damages each year. Hence, single variable identification and monitoring of drought may not be appropriate enough for decision-making and management. In this study, in order to monitor the meteorological-agricultural drought in Chaharmahal and Bakhtiari province, Multivariate Standardized Drought Index (MSDI)...
0022-1694/$ see front matter 2013 Elsevier B.V. A http://dx.doi.org/10.1016/j.jhydrol.2013.01.018 ⇑ Corresponding author. Address: 222 Riley-Robb H NY 14853, United States. Tel.: +1 6072552488; fax: + E-mail address: [email protected] (M. Todd Walt Spatially distributed nonpoint source (NPS) pollution indices are used to identify areas in a watershed where potential pollutant loading coincides w...
Drought observation and analysis have a significant impact on lives properties. This research aims to identify the drought trend with its spatiotemporal distribution in seven climatic zones of Bangladesh. Mann-Kendall test Standardized Precipitation Index (SPI) were used phenomenon visualized by Inverse Distance Weighting Interpolation. The findings demonstrate substantial declining for short-t...
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