搜索结果: 1-13 共查到“水文学 index”相关记录13条 . 查询时间(0.14 秒)
Location of Fraction-Saturated Areas in Watershed Using Empirically Calculated Topographical Index
VSA Water balance critical values shallow soils Shivalik region of India India
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2015/8/14
In engineering practice, simple methods are important for predicting runoff from watersheds particularly for flood forecasting and water balance calculations. In the present study, it is illustrated t...
Location of Fraction-Saturated Areas in Watershed Using Empirically Calculated Topographical Index
Shivalik region of India India
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2015/1/8
In engineering practice, simple methods are important for predicting runoff from watersheds particularly for flood forecasting and water balance calculations. In the present study, it is illustrated t...
Spatial mapping of leaf area index using hyperspectral remote sensing for hydrological applications with a particular focus on canopy interception
Spatial mapping leaf area index hyperspectral remote sensing hydrological applications
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2010/3/5
The establishment of commercial forestry plantations in natural grassland vegetation, results in increased transpiration and interception which in turn, results in a streamflow reduction. Methods to q...
Long-Term Analysis and Short-Term Forecasting of Dry Spells by Palmer Drought Severity Index
Long-Term Analysis Short-Term Forecasting Dry Spells Palmer Drought Severity Index
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2009/10/23
This paper presents a non-homogeneous Markov chain approach for analyzing
drought characteristics using the Palmer Drought Severity Index (PDSI). The
probability mass functions of occurrence of diff...
Hydroclimatic Variability of Regional Droughts in Greece Using the Palmer Moisture Anomaly Index
Hydroclimatic Variability Regional Droughts Greece Palmer Moisture
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2009/10/22
The hydroclimatic variability of droughts at a regional scale in the semiarid climate
of Greece was examined in this paper. The moisture anomaly Z-index of
the Palmer Drought Severity Index (PDSI) w...
HYDROCHEMISTRY AND MAPPING OF THE GROUNDWATER CONTAMINATION INDEX IN CHANGCHUN CITY, CHINA
HYDROCHEMISTRY CHANGCHUN CITY GROUNDWATER CONTAMINATION INDEX
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2009/10/13
Groundwater quality is changing in Changchun City. The Ca-HCO3 or Ca-Cl facies type tends to be influenced by release of anthropogenic nitrate, calcium, sulfide, and chloride. A scatter analysis shows...
DEVELOPMENT OF AN AQUIFER, STORAGE AND RECOVERY (ASR) SITE SELECTION SUITABILITY INDEX IN SUPPORT OF THE COMPREHENSIVE EVERGLADES RESTORATION PROJECT
Comprehensive Everglades Restoration Plan Geographic Information Systems Aquifer, Storage and Recovery
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2009/10/12
In support of the Comprehensive Everglades Restoration Plan (CERP), the U.S. Army Corps of Engineers, U.S. Fish & Wildlife Service, South Florida Water Management District, and others, are currently e...
ASSESSMENT OF THE WATER QUALITY INDEX OF WETLAND KALAKHO LAKE, RAJASTHAN, INDIA
Water Quality Index Kalakho Lake
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2009/10/12
The present study calculates the Water Quality Index (WQI) of Kalakho Lake and assesses the impact of industries, agriculture and human activities. Physicochemical parameters were monitored for the ca...
Mapping an index of extreme rainfall across the UK
rainfall digital terrain model maximum rainfall
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2009/6/5
Distance from the sea, proximity of mountains, continentality and elevation are all useful covariates to assist the mapping of extreme rainfalls. Regression models linking these and other variables ca...
Hydrological response to different time scales of climatological drought：an evaluation of the Standardized Precipitation Index in a mountainous Mediterranean basin
Standardized Precipitation Index drought conditions
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2009/5/18
At present, the Standardized Precipitation Index (SPI) is the most widely used drought index to provide good estimations about the intensity, magnitude and spatial extent of droughts. The main advanta...
On the calculation of the topographic wetness index：evaluation of different methods based on field observations
topographic wetness index field observations
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2009/5/13
The topographic wetness index (TWI, ln(a/tanβ)), which combines local upslope contributing area and slope, is commonly used to quantify topographic control on hydrological processes. Methods of comput...
Towards a hydrological classification of European soils：preliminary test of its predictive power for the base flow index using river discharge data
European soils base flow hydrological classification
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2009/5/12
Predicting discharge in ungauged catchments or contaminant movement through soil requires knowledge of the distribution and spatial heterogeneity of hydrological soil properties.
Because hydrolog...
Review of recent advances in index flood estimation
direct and indirect methods index flood estimation reliability scenarios.
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2009/3/12
Index flood estimation for regional flood frequency analysis needs to be based on the information available.