Articles with "vegetation optical" as a keyword



Global L-band equivalent AI-based vegetation optical depth dataset

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Published in 2024 at "Scientific Data"

DOI: 10.1038/s41597-024-03810-2

Abstract: The L-band vegetation optical depth data garners significant interest for its ability to effectively monitor vegetation, thanks to minimal saturation within this frequency range. However, the existing datasets have limited temporal coverage, constrained by the… read more here.

Keywords: optical depth; dataset; vegetation; band ... See more keywords

IB-AGC: Annual 25 km global live biomass carbon product from SMOS L-band passive microwave vegetation optical depth

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Published in 2025 at "Scientific Data"

DOI: 10.1038/s41597-025-05470-2

Abstract: Monitoring aboveground biomass carbon (AGC) stocks and their changes is crucial for understanding the global carbon cycle and the impact of climate change. Among remotely sensed methods, the use of the L-band (1.4 GHz) vegetation optical… read more here.

Keywords: vegetation optical; agc; vegetation; biomass carbon ... See more keywords

Vegetation optical depth taking account of dielectric characteristics of water in living trees

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Published in 2025 at "Remote Sensing Letters"

DOI: 10.1080/2150704x.2025.2463697

Abstract: ABSTRACT To take into account the vegetation effect on brightness temperatures (${T_{\rm{B}}}$TB), vegetation optical depth (VOD) depending on a growing season, the species composition, biomass and moisture content of plants is widely used. This article… read more here.

Keywords: optical depth; characteristics water; living trees; water ... See more keywords

Global Unsupervised Assessment of Multifrequency Vegetation Optical Depth Sensitivity to Vegetation Cover

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Published in 2023 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"

DOI: 10.1109/jstars.2022.3226001

Abstract: Vegetation optical depth (VOD) has contributed to monitor vegetation dynamics and carbon stocks at different microwave frequencies. Nevertheless, there is a need to determine which are the appropriate frequencies to monitor different vegetation types. Also,… read more here.

Keywords: multifrequency; sensitivity; vegetation; optical depth ... See more keywords

High-Resolution Vegetation Optical Depth Retrieved From Sentinel-1 C-Band SAR Data

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Published in 2025 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"

DOI: 10.1109/jstars.2025.3593342

Abstract: Vegetation optical depth (VOD), a microwave-based vegetation index for assessing crop canopy water content and biomass, is becoming increasingly crucial for effective crop and irrigation management as well as yield optimization. Currently, VOD is primarily… read more here.

Keywords: optical depth; resolution; vegetation optical; vod ... See more keywords

Analysis of Vegetation Optical Depth and Soil Moisture Retrieved by SMOS Over Tropical Forests

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Published in 2019 at "IEEE Geoscience and Remote Sensing Letters"

DOI: 10.1109/lgrs.2018.2878359

Abstract: In this letter, the results obtained with the last version (level 2, version 650) of SMOS retrieval algorithm are compared against independent measurements, over tropical forests. In particular, the climate research unit meteorological variables and… read more here.

Keywords: soil moisture; vegetation optical; tropical forests; optical depth ... See more keywords

Quantitative Assessment of Satellite L-Band Vegetation Optical Depth in the U.S. Corn Belt

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Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"

DOI: 10.1109/lgrs.2020.3034174

Abstract: Satellite L-band vegetation optical depth (L-VOD) contains new information about terrestrial ecosystems. However, it has not been evaluated against the geophysical variable that it represents, plant water, the mass of liquid water contained within vegetation… read more here.

Keywords: water; satellite; vegetation optical; band vegetation ... See more keywords

Robustness of Vegetation Optical Depth Retrievals Based on L-Band Global Radiometry

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Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"

DOI: 10.1109/tgrs.2022.3201581

Abstract: Microwave vegetation optical depth (VOD) and soil moisture (SM) can be simultaneously retrieved based on L-band radiometry with polarization information. VOD is indicative of the vegetation water content (VWC) because it captures the extinction of… read more here.

Keywords: vod; vegetation; vod retrievals; optical depth ... See more keywords