搜索结果: 1-15 共查到“土壤学 Soil moisture”相关记录31条 . 查询时间(0.106 秒)
SATELLITE BASED DROUGHT ASSESSMENT OVER LATUR, INDIA USING SOIL MOISTURE DERIVED FROM SMOS
Soil Moisture SMOS Drought Standardized Precipitation Index (SPI) Standardized Precipitation Evapotranspiration Index (SPEI)
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2019/2/27
Climatological variables such as rainfall, temperature have been extensively used by researchers for drought monitoring at a larger spatial region. These variables have a direct influence on the soil ...
INVERSION OF FARMLAND SOIL MOISTURE IN LARGE REGION BASED ON MODIFIED VEGETATION INDEX
Soil Moisture Normalized Difference Vegetation Index Modified Vegetation Index Henan Province China Winter Wheat
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2018/5/15
Soil moisture is an important parameter for agricultural production. Efficient and accurate monitoring of soil moisture is an important link to ensure the safety of agricultural production. Remote sen...
SMSYNTH: AN IMAGERY SYNTHESIS SYSTEM FOR SOIL MOISTURE RETRIEVAL
Image Synthesis Soil Moisture Bayesian Framework Markov Random Field Model Oh Model
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2018/5/11
Soil moisture (SM) is a important variable in various research areas, such as weather and climate forecasting, agriculture, drought and flood monitoring and prediction, and human health. An ongoing ch...
ANALYSIS OF DYNAMIC CHANGEOF HONG JIANNAO LAKE BASED ON SCALED SOIL MOISTURE MONITORING INDEX
Scaled Soil Moisture Monitoring Index Hongjiannao Lake Dynamic Change
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2018/5/16
to climate change and human activities, Hong Jiannao Lake located in the arid and semi-arid area of China, it played a very important role in the regulation of the local climate, the balance of water ...
A METHOD OF MICROWAVE SOIL MOISTURE INVERSION WITHOUT DEPENDENCE ON THE FIELD MEASUREMENT DATA
LUT AIEM Optimal effective roughness Pixel scale ASAR
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2018/5/14
In the process of retrieving soil moisture (Mv) by active microwave, surface roughness is an important parameter affecting the accuracy of mv retrieval.Using effective roughness to replace the origina...
Research on the effect of straw mulching on the soil moisture by field experiment in the piedmont plain of the Taihang Mountains
Straw mulching Soil moisture Soil water content Deep layer Soil moisture conservation
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2018/3/23
To reveal the influencing effect of the long-term straw mulching on the soil moisture, this paper employed the field experiment data in 2010 of a typical area of Taihang Mountains plain, observed the ...
The top 2 inches of topsoil on all of Earth’s landmasses contains an infinitesimal fraction of the planet’s water — less than one-thousandth of a percent. Yet because of its position at the interface ...
Soil moisture,snowpack data could help predict 'flash droughts'
Soil moisture snowpack data flash droughts
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2016/11/4
New research suggests that "flash droughts" — like the one that unexpectedly gripped the Southern Rockies and Midwest in the summer of 2012 — could be predicted months in advance using soil moisture a...
Efficacy and Selectivity of Pre-emergent Sunflower Herbicides under Different Soil Moisture Conditions
weed control phytotoxicity abiotic factors irrigation sunflower
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2015/10/9
We ranked the most frequently used pre-emergent herbicides in sunflower (Helianthus annuus) according to their efficacy and selectivity under different soil moisture conditions within 2008–2011. The e...
VALIDATION OF SMOS L2 AND L3 SOIL MOISTURE PRODUCTS OVER THE DUERO BASIN AT DIFFERENT SPATIAL SCALES
Soil moisture SMOS Validation
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2015/5/7
An increasing number of permanent soil moisture measurement networks are nowadays providing the means for validating new remotely sensed soil moisture estimates such as those provided by the ESA’s S...
Field and laboratory ad hoc calibrations of Virrib and ThetaProbe dielectric sensors for soil moisture measurements
Virrib ThetaProbe one-point loam loamy sand zone of influence bulk density offset FertOrgaNic
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2015/2/4
For the research of irrigation optimization and nitrate leaching it is important to know the short-term soil moisture variation during percolation episodes as well as its seasonal pattern. Dielectric ...
TRANSMISSION LINE THEORY BASED TWO LAYER MODEL FOR DETERMINING SOIL MOISTURE
Soil Moisture Impedance Genetic Algorithm Dielectric Constant
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2014/4/24
Present paper deals with the task of estimating soil moisture under vegetation cover by using transmission line theory based two layer model. The two layer model measures the impedance of both the lay...
RETRIEVING SURFACE SOIL MOISTURE FROM MODIS AND AMSR-E DATA: A CASE STUDY IN TAIWAN
MODIS data Surface soil moisture Taiwan
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2014/4/28
Soil moisture is a key factor that controls the exchange of water between land surface evaporation and plant transpiration. Information on surface soil moisture variations in both time and spatial dom...
Resilience, reliability and risk analyses of maize, sorghum and sunflower in rain-fed systems using a soil moisture modeling approach
Resilience Reliability Risk Analysis: Agricultural Drought Index
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2013/2/27
This paper is aimed at examining the applicability of methods for resilience, reliability and risk analyses of rain-fed agricultural systems from modeled continuous soil moisture availability in rain-...
Effects of soil moisture and length of irrigation on soil wetting to deliver fumigants through microirrigation lines in sandy spodosols
Methyl Bromide Drip Irrigation Soilborne Pests Water Management
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2013/3/5
Soil fumigant delivery through microirrigation (drip) lines has the potential to replace direct soil injection into planting beds. However, wetting coverage in these Spodosols must be improved to incr...