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 …

Retrieving surface soil moisture at high spatio-temporal resolution from a synergy between Sentinel-1 radar and Landsat thermal data: A study case over bare soil

A Amazirh, O Merlin, S Er-Raki, Q Gao… - Remote sensing of …, 2018 - Elsevier
Radar data have been used to retrieve and monitor the surface soil moisture (SM) changes
in various conditions. However, the calibration of radar models whether empirically or …

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

M El Hajj, N Baghdadi, M Zribi, H Bazzi - Remote Sensing, 2017 - mdpi.com
Soil moisture mapping 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 …

Emission of rough surfaces calculated by the integral equation method with comparison to three-dimensional moment method simulations

KS Chen, TD Wu, L Tsang, Q Li, J Shi… - IEEE Transactions on …, 2003 - ieeexplore.ieee.org
This paper presents a model of microwave emissions from rough surfaces. We derive a
more complete expression of the single-scattering terms in the integral equation method …

Potential of Sentinel-1 radar data for the assessment of soil and cereal cover parameters

S Bousbih, M Zribi, Z Lili-Chabaane, N Baghdadi… - Sensors, 2017 - mdpi.com
The main objective of this study is to analyze the potential use of Sentinel-1 (S1) radar data
for the estimation of soil characteristics (roughness and water content) and cereal vegetation …

A new empirical model to retrieve soil moisture and roughness from C-band radar data

M Zribi, M Dechambre - Remote Sensing of Environment, 2003 - Elsevier
A new empirical model for the retrieval, at a field scale, of the bare soil moisture content and
the surface roughness characteristics from radar measurements is proposed. The derivation …

On the soil roughness parameterization problem in soil moisture retrieval of bare surfaces from synthetic aperture radar

NEC Verhoest, H Lievens, W Wagner, J Álvarez-Mozos… - Sensors, 2008 - mdpi.com
Synthetic Aperture Radar has shown its large potential for retrieving soil moisture maps at
regional scales. However, since the backscattered signal is determined by several surface …

Soil moisture retrieval from active spaceborne microwave observations: An evaluation of current techniques

BW Barrett, E Dwyer, P Whelan - Remote Sensing, 2009 - mdpi.com
The importance of land surface-atmosphere interactions, principally the effects of soil
moisture, on hydrological, meteorological, and ecological processes has gained widespread …

On the characterization of agricultural soil roughness for radar remote sensing studies

MWJ Davidson, T Le Toan, F Mattia… - … on Geoscience and …, 2000 - ieeexplore.ieee.org
The surface roughness parameters commonly used as inputs to electromagnetic surface
scattering models (SPM, PO, GO, and IEM) are the root mean square (RMS) height s, and …

A new empirical model for radar scattering from bare soil surfaces

N Baghdadi, M Choker, M Zribi, ME Hajj, S Paloscia… - Remote Sensing, 2016 - mdpi.com
The objective of this paper is to propose a new semi-empirical radar backscattering model
for bare soil surfaces based on the Dubois model. A wide dataset of backscattering …