Results 11 to 20 of about 2,271,115 (257)

Soil Moisture Mapping with Moisture-Related Indices, OPTRAM, and an Integrated Random Forest-OPTRAM Algorithm from Landsat 8 Images

open access: yesRemote Sensing, 2022
Remote sensing tools have been extensively used for large-scale soil moisture (SM) mapping in recent years, using Landsat satellite images. Rainfall, soil clay percentage, and the standardized precipitation index play key roles in determining the ...
Umesh Acharya   +2 more
doaj   +2 more sources

A distributed measurement method for in-situ soil moisture content by using carbon-fiber heated cable

open access: yesJournal of Rock Mechanics and Geotechnical Engineering, 2015
Moisture content is a fundamental physical index that quantifies soil property and is closely associated with the hydrological, ecological and engineering behaviors of soil.
Dingfeng Cao   +5 more
doaj   +2 more sources

Soil moisture-vegetation interaction from near-global in-situ soil moisture measurements

open access: yesEnvironmental Research Letters, 2022
Although the interactions between soil moisture (SM) and vegetation dynamics have been extensively investigated, most of previous findings are derived from satellite-observed and/or model-simulated SM data, which inevitably include multiple sources of ...
Shuping Li, Yohei Sawada
doaj   +2 more sources

Evidence for the acclimation of ecosystem photosynthesis to soil moisture

open access: yesNature Communications
Ecosystem gross primary productivity (GPP) is the largest carbon flux between the atmosphere and biosphere and is strongly influenced by soil moisture.
Jinlong Peng   +9 more
doaj   +2 more sources

A Spatial Downscaling Method for Remote Sensing Soil Moisture Based on Random Forest Considering Soil Moisture Memory and Mass Conservation

open access: yesRemote Sensing, 2022
Remote sensing soil moisture (SM) has been widely used in various earth science studies and applications, but their low resolution limits their usage and downscaling of them is needed.
Taoning Mao   +8 more
doaj   +2 more sources

Enhancing sub-seasonal soil moisture forecasts through land initialization

open access: yesnpj Climate and Atmospheric Science
We assess the relative contributions of land, atmosphere, and oceanic initializations to the forecast skill of root zone soil moisture (SM) utilizing the Community Earth System Model version 2 Sub to Seasonal climate forecast experiments (CESM2-S2S ...
Yanan Duan   +10 more
doaj   +2 more sources

SGD-SM 2.0: an improved seamless global daily soil moisture long-term dataset from 2002 to 2022 [PDF]

open access: yesEarth System Science Data, 2022
The drawbacks of low-coverage rate in global land inevitably exist in satellite-based daily soil moisture products because of the satellite orbit covering scopes and the limitations of soil moisture retrieving models.
Q. Zhang   +4 more
doaj   +1 more source

A new, long-term root zone soil moisture dataset for operational agricultural drought monitoring over Africa [PDF]

open access: yesScientific Data
Quantifying root zone soil moisture (RZSM) is critical for assessing water availability to crops and identifying agricultural drought across Africa, with access to reliable and timely RZSM data essential for informed decision-making.
Ross I. Maidment   +6 more
doaj   +2 more sources

Optimizing Soil Moisture Conservation and Temperature Regulation in Rainfed Jujube Orchards of China’s Loess Hilly Areas Using Straw and Branch Mulching

open access: yesAgronomy, 2023
The implementation of the “Returning Farmland to Forest” project in the loess hilly region of China has led to the establishment of large-scale economic forests, which have become the dominant industry driving local economic development.
Min Tang   +5 more
doaj   +1 more source

Comparison of soil moisture at different depths for drought monitoring based on improved soil moisture anomaly percentage index

open access: yesWater Science and Engineering, 2021
To better understand the characteristics and mechanisms of droughts at different drought stages, this study selected the Xiangjiang River Basin in China as the study area, and evaluated soil moisture (SM) at different depths for drought monitoring ...
Zheng-guang Xu   +4 more
doaj   +1 more source

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