Results 31 to 40 of about 6,319 (265)

Smart Irrigation Controllers: How Do Soil Moisture Sensor (SMS) Irrigation Controllers Work?

open access: yesEDIS, 2009
Revised! AE437, a 5-page illustrated fact sheet by Michael D. Dukes, Mary Shedd, and Bernard Cardenas-Lailhacar, is part of the Smart Irrigation Controllers series. It describes how soil moisture sensor systems work, rules for installation, setting the sensor threshold, and programming the irrigation timer. Includes references.
Michael D. Dukes   +2 more
openaire   +6 more sources

Quasi-Global Assessment of Deep Learning-Based CYGNSS Soil Moisture Retrieval

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2023
A high spatial and temporal resolution global soil moisture product is essential for understanding hydrologic and meteorological processes and enhancing agricultural applications.
M M Nabi   +4 more
doaj   +1 more source

Thermal Hydraulic Disaggregation of SMAP Soil Moisture Over the Continental United States

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022
A thermal hydraulic disaggregation of soil moisture (THySM) algorithm was implemented to downscale NASA's soil moisture active passive (SMAP) enhanced soil moisture (SM) product to 1 km over the continental United States (CONUS).
Pang-Wei Liu   +13 more
doaj   +1 more source

A Long-term Consistent Artificial Intelligence and Remote Sensing-based Soil Moisture Dataset

open access: yesScientific Data, 2023
The Consistent Artificial Intelligence (AI)-based Soil Moisture (CASM) dataset is a global, consistent, and long-term, remote sensing soil moisture (SM) dataset created using machine learning.
Olya Skulovich, Pierre Gentine
doaj   +1 more source

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   +1 more source

Evaluation of Multi-Source Soil Moisture Datasets over Central and Eastern Agricultural Area of China Using In Situ Monitoring Network

open access: yesRemote Sensing, 2021
Multi-source soil moisture (SM) products provide a vigorous tool for the estimation of soil moisture on a large scale, but it is crucial to carry out the evaluation of those products before further application.
Yanqing Yang   +6 more
doaj   +1 more source

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   +1 more source

Effect of surface temperature on soil moisture retrieval using CYGNSS

open access: yesInternational Journal of Applied Earth Observations and Geoinformation, 2022
In this paper, a soil moisture (SM) retrieval model from spaceborne Global Navigation Satellite System Reflectometry (GNSS-R) observations that incorporates soil surface temperature (SST) for the first time is evaluated.
Yifan Zhu, Fei Guo, Xiaohong Zhang
doaj   +1 more source

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   +1 more source

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