Four decades of microwave satellite soil moisture observations: Part 1. A review of retrieval algorithms

L Karthikeyan, M Pan, N Wanders, DN Kumar… - Advances in Water …, 2017 - Elsevier
The satellite based passive (radiometer) and active (radar) microwave sensors enhanced
our ability to retrieve soil moisture at global scales. It has been almost four decades since …

Synergic use of Sentinel-1 and Sentinel-2 images for operational soil moisture map** at high spatial resolution over agricultural areas

M El Hajj, N Baghdadi, M Zribi, H Bazzi - Remote Sensing, 2017 - mdpi.com
Soil moisture map** at a high spatial resolution is very important for several applications
in hydrology, agriculture and risk assessment. With the arrival of the free Sentinel data at …

Evaluation of backscattering models and support vector machine for the retrieval of bare soil moisture from Sentinel-1 data

J Ezzahar, N Ouaadi, M Zribi, J Elfarkh, G Aouade… - Remote Sensing, 2019 - mdpi.com
The main objective of this work was to retrieve surface soil moisture (SSM) by using
scattering models and a support vector machine (SVM) technique driven by backscattering …

Bare soil surface moisture retrieval from sentinel-1 SAR data based on the calibrated IEM and dubois models using neural networks

HR Mirsoleimani, MR Sahebi, N Baghdadi, M El Hajj - Sensors, 2019 - mdpi.com
The main purpose of this study is to investigate the performance of two radar backscattering
models; the calibrated integral equation model (CIEM) and the modified Dubois model …

Advances in remote sensing based soil moisture retrieval: applications, techniques, scales and challenges for combining machine learning and physical models

AB Abbes, N Jarray, IR Farah - Artificial Intelligence Review, 2024 - Springer
Soil Moisture (SM) monitoring is crucial for various applications in agriculture, hydrology,
and climate science. Remote Sensing (RS) offers a powerful tool for large-scale SM …

First assessment of Sentinel-1A data for surface soil moisture estimations using a coupled water cloud model and advanced integral equation model over the Tibetan …

X Bai, B He, X Li, J Zeng, X Wang, Z Wang, Y Zeng… - Remote sensing, 2017 - mdpi.com
The spatiotemporal distribution of soil moisture over the Tibetan Plateau is important for
understanding the regional water cycle and climate change. In this paper, the surface soil …

Evaluation of the Oh, Dubois and IEM backscatter models using a large dataset of SAR data and experimental soil measurements

M Choker, N Baghdadi, M Zribi, M El Hajj, S Paloscia… - Water, 2017 - mdpi.com
The aim of this paper is to evaluate the most used radar backscattering models (Integral
Equation Model “IEM”, Oh, Dubois, and Advanced Integral Equation Model “AIEM”) using a …

Using SAR-derived vegetation descriptors in a water cloud model to improve soil moisture retrieval

J Li, S Wang - Remote Sensing, 2018 - mdpi.com
The water cloud model (WCM) is a widely used radar backscatter model applied to SAR
images to retrieve soil moisture over vegetated areas. The WCM needs vegetation …

Comparative analysis of the accuracy of surface soil moisture estimation from the C-and L-bands

M El Hajj, N Baghdadi, M Zribi - … Journal of Applied Earth Observation and …, 2019 - Elsevier
Surface soil moisture (SSM) estimation is of great importance in several areas, such as
hydrology, agriculture and risk assessment. C-band SAR (synthetic aperture radar) data …

Analysis of L-band SAR data for soil moisture estimations over agricultural areas in the tropics

M Zribi, S Muddu, S Bousbih, A Al Bitar, SK Tomer… - Remote Sensing, 2019 - mdpi.com
The main objective of this study is to analyze the potential use of L-band radar data for the
estimation of soil moisture over tropical agricultural areas under dense vegetation cover …