By Nicolas Baghdadi, Mehrez Zribi

The continental hydrological cycle is without doubt one of the least understood parts of the weather approach. the knowledge of different approaches concerned is necessary within the fields of hydrology and meteorology. during this quantity the most purposes for continental hydrology are provided, together with the characterization of the states of continental surfaces (water nation, snow hide, etc.) utilizing energetic and passive distant sensing, tracking the Antarctic ice sheet and land water floor heights utilizing radar altimetry, the characterization of redistributions of water plenty utilizing the GRACE challenge, the possibility of GNSS-R know-how in hydrology, and distant sensing info assimilation in hydrological types. This publication, a part of a collection of six volumes, has been produced by means of scientists who're across the world popular of their fields. it's addressed to scholars (engineers, Masters, PhD) , engineers and scientists, experts in distant sensing utilized to hydrology. via this pedagogical paintings, the authors give a contribution to breaking down the limitations that prevent using Earth remark data.

  • Provides transparent and concise descriptions of contemporary distant sensing methods
  • Explores the most up-tp-date distant sensing thoughts with actual points of the size (theory) and their applications
  • Provides chapters on actual ideas, dimension, and knowledge processing for every approach described
  • Describes optical distant sensing expertise, together with an outline of acquisition structures and dimension corrections to be made

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Extra info for Land Surface Remote Sensing in Continental Hydrology

Sample text

G. g. roughness). 33] For a given radar configuration (one polarization, one incidence angle, and one radar wavelength), b1 depends on the soil’s roughness, while b2 depends on the soil moisture. The coefficients α (signal sensitivity to soil moisture) and β are dependent on the radar frequency, the polarization, and the incidence angle. This monolayer approach was developed for the first spatial radars, which were mono-configuration (ERS-1/2, RADARSAT-1) [BAG 02], but which have also been used by second-generation multi-polarization sensors (ASAR, RADARSAT-2, TerraSAR-X, COSMO-SkyMed).

This book, part of the Remote Sensing Observations of Continental Surfaces Set, focuses on the use of remote sensing in hydrology. It is written by world-renowned scientists in their field. It will allow for the actualization of new knowledge and description of the challenges in research and development for years to come. It is designed for remote sensing or hydrology research teams and students in 2nd (engineering schools, Master’s) and 3rd (PhD) university cycles. The first part of this book addresses the use of remote sensing to characterize continental soil surface properties.

Soil salinity Salinization is a chemical process that leads to the degradation of arable soil, desertification, and biomass reduction; so, the monitoring of this process’s development is necessary for planning measures to protect at-risk areas. Despite the dominant effect of the two parameters – soil moisture and roughness – on the radar signal’s variability, other parameters, such as salinity, have a relatively important effect. In this regard, several studies have been done to examine the relationship between the radar backscattering coefficient and soil salinity through the dielectric constant ε [LAS 07, SHA 03].

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Land Surface Remote Sensing in Continental Hydrology by Nicolas Baghdadi, Mehrez Zribi
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