By Dr. Graciela Metternicht, Dr. Alfred Zinck
Recognized and encouraged as a robust software, the function of distant sensing in deciding upon, mapping, and tracking soil salinity and salinization will proceed to extend. Remote Sensing of Soil Salinization: influence on Land Management delineates tips on how to mix technology and geospatial applied sciences for clever environmental administration.
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An evaluation of soil salinity overview utilizing distant sensing applied sciences, the booklet describes numerous sensors, starting from ground-based to airborne and satellite-borne, and their use in a variety of realms and environmental settings from coastal to inland saline components. It offers tips on easy methods to establish and select the best distant sensing instruments and knowledge units required in accordance with the aim of the learn and the environmental environment. equipped into 3 sections, the ebook covers:
Section I: Soil Salinity and distant Sensing: the thing and the Tool ― makes a speciality of the relationships among the landscape-object salinity and the distant sensing tools
Section II: traits in Mapping Soil Salinity and tracking Salinization utilizing distant and Proximal Sensing ― offers various case stories facing soil salinity mapping and tracking the method of salinization
Section III: range of ways to Modeling Soil Salinity and Salinization ― Demonstrates the range of methods utilized in modeling soil salinity and salinization in area and time
Combines basics, the newest know-how, and sensible Examples
The ebook comprises analyses of uncomplicated problems with distant detection, equivalent to the spectral habit of salt varieties and plants impression, and reviews of at the moment to be had distant sensing structures delineating their benefits and drawbacks. The accompanying CD-ROM presents colour photos that improve the fabric mentioned within the textual content. the combination of basic strategies, newest technological reports, and sensible program examples makes this an incredible source for environmental evaluation and choice making.
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Additional info for Remote sensing of soil salinization: impact on land management
The main characteristics of the salt compounds are described hereafter. 1 CARBONATES Carbonates exert different effects on soils, depending on the cation the carbonate is bound to, the amount accumulated in the soil and the solubility. For instance, calcium carbonate may occur as a pure chemical but is also found as a calcium–magnesium mixture. The latter has very low solubility in water, which depends on the carbonate concentration and the pH of the solution. 2008 10:54am Compositor Name: VAmoudavally Spectral Behavior of Salt Types 27 pressure of the soil atmosphere and the concentration of dissolved ions in the soil solution (Driessen and Dudal, 1991).
A. 1995. Salinisation of Land and Water Resources: Human Causes, Extent, Management and Case Studies. The Australian National University, Canberra, Australia, and CAB International, Wallingford, Oxon, UK. Hecker, F. 2007. Using remote sensing to map soil salinity. Alberta Government, Canada. nsf=all=irr7184. Herrero, J. and Pérez-Coveta, O. 2005. Soil salinity changes over 24 years in a Mediterranean irrigated district. Geoderma 125:287–308. S. and Klein, C. 1977. Manual of Mineralogy. John Wiley & Sons, New York.
1996). , 2000). Evans and Caccetta (2000) used decision trees based on the relationships between salinity risk and variables describing landscape features to reproduce expert opinions about the future extent of salinity in a certain area, whereas Florinsky et al. (2000) assumed that the build-up of salts at macrotopographic scale occurs preferably in depressions. De Nys et al. (2005) used a model that calculates soil water and salt balances in the topsoil to predict soil salinity for different on-farm management strategies in an irrigation scheme in northeast Brazil.