搜索结果: 1-15 共查到“水文学 satellite”相关记录24条 . 查询时间(0.812 秒)
INTEGRATION OF SATELLITE, GLOBAL REANALYSIS DATA AND MACROSCALE HYDROLOGICAL MODEL FOR DROUGHT ASSESSMENT IN SUB-TROPICAL REGION OF INDIA
VIC Soil Moisture Agricultural drought SMDI CCI
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2018/5/15
Change in soil moisture regime is highly relevant for agricultural drought, which can be best analyzed in terms of Soil Moisture Deficit Index (SMDI). A macroscale hydrological model Variable Infiltra...
CAN SINGLE EMPIRICAL ALGORITHMS ACCURATELY PREDICT INLAND SHALLOW WATER QUALITY STATUS FROM HIGH RESOLUTION, MULTI-SENSOR, MULTI-TEMPORAL SATELLITE DATA?
Landsat Reflectance Earth observation Monitoring
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2015/5/7
Assessing and monitoring water quality status through timely, cost effective and accurate manner is of fundamental importance for numerous environmental management and policy making purposes. Theref...
Using satellite hyperspectral imagery to map soil organic matter, total nitrogen and total phosphorus
total nitrogen total phosphorus partial least squares
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2015/1/16
Up-to-date and accurate information on soil properties is important for precision farming and environmental management. The spatial information of soil properties allows adjustments of fertilizer appl...
Global land-surface evaporation estimated from satellite-based observations
Global land-surface satellite-based observations evaporation estimated
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2011/3/14
This paper outlines a new strategy to derive evaporation from satellite observations. The approach uses a variety of satellite-sensor products to estimate daily evaporation at a global scale and 0.25 ...
Developing an improved soil moisture dataset by blending passive and active microwave satellite-based retrievals
Developing an improved soil moisture active microwave retrievals
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2011/3/14
Combining information derived from satellite-based passive and active microwave sensors has the potential to offer improved estimates of surface soil moisture at global scale. We develop and evaluate ...
Reference crop evapotranspiration derived from geo-stationary satellite imagery: a case study for the Fogera flood plain, NW-Ethiopia and the Jordan Valley, Jordan
Reference crop evapotranspiration geo-stationary satellite imagery
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2010/12/22
First results are shown of a project aiming to estimate daily values of reference crop evapotranspiration ET0 from geo-stationary satellite imagery. In particular, for Woreta, a site in the Ethiopian ...
Use of satellite-derived data for characterization of snow cover and simulation of snowmelt runoff through a distributed physically based model of runoff generation
satellite-derived data snow cover snowmelt runoff runoff generation
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2010/3/5
A technique of using satellite-derived data for constructing continuous snow characteristics fields for distributed snowmelt runoff simulation is presented. The satellite-derived data and the availabl...
Satellite Potentials in Snowcover Monitoring and Runoff Prediction
Satellite Potentials Snowcover Monitoring Runoff Prediction
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2009/10/29
Earth resources satellites have provided a means for the timely, efficient, and
accurate monitoring of watershed snowcovered area. Several techniques are
available for analysing the data ranging fro...
Utilization of Satellite Snow-Cover Observations for Seasonal Streamflow Estimates in the Western Himalayas
Satellite Snow-Cover Observations Seasonal Streamflow Estimates Western Himalayas
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2009/10/28
The results presented in this study indicate the possibility of seasonal runoff
prediction when satellite-derived basin snow-cover data are related to point
source river discharge data for a number ...
Application of Satellite Data to Monitoring Snow Cover and Runoff in Greenland
Satellite Data Snow Cover Runoff Greenland
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2009/10/27
Based on NOAA-AVHRR satellite data and runoff records from one of the
major drainage basins in Western Greenland methods for monitoring snow
cover, snowpack water equivalent and runoff have been ela...
Snow Cover of the Upper Colorado River Basin from Satellite Passive Microwave and Visual Imagery
Snow Cover Colorado River Basin Satellite Passive Microwave Visual Imagery
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2009/10/27
A comparison of passive microwave images from the Nimbus-7 Scanning Multichannel
Microwave Radiometer (SMMR) and visual images from the Defense
Meteorological Satellite Program (DMSP) of the Upper C...
The Potential of Satellite Remote Sensing of Snow over Great Britain In Relation to Cloud Cover
Satellite Remote Sensing Snow over Great Britain
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2009/10/26
Whilst satellite monitoring of snow cover is already operational in some countries,
the maritime climate of the United Kingdom poses special problems for
assessment of snow cover by satellite, inclu...
The Use of SAR Satellite Imagery to Measure Active Layer Moisture Contents in Arctic Alaska
SAR Satellite Imagery Active Layer Moisture Contents Arctic Alaska
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2009/10/23
Synthetic aperture radar (SAR) has the potential for measuring near surface soil
moisture contents for very largc areas. The polar orbiting European Remote
Sensing satellitc (ERS-I) of the European ...
Improving Runoff Simulations using Satellite-observed Time-series of Snow Covered Area
Runoff Simulations Satellite-observed Time-series Snow Covered Area
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2009/10/22
Snowmelt can be a significant contributor to major floods, and hence updated snow information is very important to flood forecasting services. This study assesses whether operational runoff simulation...
FOREST MANAGEMENT PLANNING FOR SOIL CONSERVATION USING SATELLITE IMAGES, GIS MAPPING, AND SOIL EROSION MODELING
Soil conservation planning watersheds physical reconnaissance surveys
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2009/10/12
Soil conservation planning in inaccessible mountainous watersheds is a very tedious and expensive job. Generally, in India most soil conservation programs are carried out with physical reconnaissance ...