Results 131 to 140 of about 6,146,845 (296)

Multi-temporal catchment and wetland scale soil moisture and vegetation analysis in Shashe, Tugwi and Zibagwe sub-catchments of Zimbabwe

open access: yesGeocarto International
We utilized Sentinel-1 Synthetic Aperture Radar (SAR) surface soil moisture, Sentinel-2 L1C-derived Enhanced Vegetation Index (EVI), and Soil Moisture Active Passive (SMAP) surface and root zone soil moisture data to assess soil moisture dynamics and ...
Oshneck Mupepi   +3 more
doaj   +1 more source

Atmospheric Water Harvesting Through Polymer Hydrogel Sorbents: Materials Chemistry, Design Strategies, and Applications

open access: yesAdvanced Science, EarlyView.
Polymer‐based hydrogels have emerged as promising materials for atmospheric water harvesting (AWH) due to their high water affinity, tunable network structure, and excellent moisture adsorption‐desorption performance. Functional hydrogel systems enable efficient water capture and controlled release under low‐energy conditions, offering a sustainable ...
Swagata Datta   +6 more
wiley   +1 more source

Evaluation of remotely sensed surface soil moisture and an energy balance model driven by LST data with Italian in situ data

open access: yes, 2013
Near-surface soil moisture is a key variable for the description of many hydrological and climatic processes. This variable governs the partitioning of mass and energy fluxes between land surface and the atmosphere, thereby playing an important role for
BONI, GIORGIO   +5 more
core   +1 more source

Soil moisture over Canadian Arctic tundra: Trail Valley Creek, Northwest Territories [Canada] dataset

open access: yes, 2017
Synthetic aperature radar (SAR) remote sensing offers a technology potentially capable of capturing information about soil moisture at high spatial and temporal resolutions.
Humphrey, Rachel E.   +3 more
core   +1 more source

Self‐Sustaining Sensing Systems: Integration Strategies and Signal–Power Matching in Energy‐Harvesting Electronics

open access: yesAdvanced Science, EarlyView.
Energy‐harvesting‐integrated sensors couple ambient energy conversion with sensing, processing, and wireless communication. This review organizes recent progress through integration architectures and operating principles, revisiting co‐packaged, monolithic, and co‐functional designs together with always‐on, event‐driven, and multi‐modal sensing modes ...
Taehyun Park   +5 more
wiley   +1 more source

Evaluation of surface soil moisture retrievals from microwave satellite sensors using ground observations. [PDF]

open access: yes
openThe aim of this work is to evaluate the performance of surface soil moisture (SSM) measurements from microwave satellite sensors, specifically the Copernicus Sentinel-1 and SMAP (Soil Moisture Active Passive) missions, using ground-based observations.
PHIRI, GEORGE
core  

Derivation of synthetic endmembers for linear unmixing to improve parameter estimation for soil erosion modelling in agricultural ecosystems. [PDF]

open access: yes, 2007
Physically based erosion models have been widely accepted in soil erosion risk assessment in the past years but their application is still restricted due to a large disparity between required model input parameters and data availability.
Borg, Erik, Gerighausen, Heike
core  

Monitoring Soil Surface Mineralogy at Different Moisture Conditions Using Visible Near-Infrared Spectroscopy Data

open access: yes, 2019
Visible near-infrared imaging spectroscopy is capable of assessing spectral Soil constituents that are responsible for the organo-mineral interactions.
Ymeti, PhD student I. (Faculty of Geo-Information Science and Earth Observation (ITC), University of Twente), Researcher
core   +1 more source

Cross‐scale Material‐Structure Synergy for 2D Metamaterials: Toward Customizable Intelligent Electromagnetic Manipulation in Multiphysics Fields

open access: yesAdvanced Science, EarlyView.
Recent advances in metasurface‐enabled low‐observable technologies are reviewed from the perspective of cross‐scale material–structure synergy. Electromagnetic, thermal, optical, and acoustic stealth are highlighted together with dynamic tuning, programmable coding, data‐driven inverse design, artificial intelligence, multispectral compatibility, and ...
Shuhao Wang   +5 more
wiley   +1 more source

Study on Spring Soil Moisture in Loessial Gully Hill Area of West Shanxi Province

open access: yesShuitu baochi yanjiu, 2010
Using fixed-point dynamic monitoring methods,soil water was studied during the process of cultivated vegetation succession on the Huaguo mountain area in spring. The results showed that:The soil moisture increased significantly in May.
GAO Yan-peng1   +3 more
doaj  

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