Abstract
Almost 50% of the irrigated lands of Central Asia are affected by different levels of salinity. In extreme cases, the most severely affected lands are abandoned, while moderately saline lands produce low crop yields. Rehabilitation of the saline lands could have significant implications on productivity of irrigated lands as well as positive impacts on the environment. The assessment of the trend and the scale of salinity are crucial element in the development of a remediation/rehabilitation strategy. The traditional approach for soil salinity mapping is extremely costly and has low level of precision. The chapter discusses the approach in developing the soil salinity maps by analysis of vegetation stress from multi-temporal remote sensing data for irrigated areas.
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Acknowledgments
This study was carried out within the scope of an Asian Development Bank (ADB)-funded RETA project “Enabling Communities in the Aral Sea Basin to Combat Land and Water Resource Degradation Through the Creation of ‘Bright’ Spots.” The project was implemented jointly by International Water Management Institute (IWMI), International Center for Agricultural Research in the Dry Areas (ICARDA), and International Center for Biosaline Agriculture (ICBA) in Kazakhstan, Turkmenistan, and Uzbekistan.
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Platonov, A., Noble, A., Kuziev, R. (2013). Soil Salinity Mapping Using Multi-Temporal Satellite Images in Agricultural Fields of Syrdarya Province of Uzbekistan. In: Shahid, S., Abdelfattah, M., Taha, F. (eds) Developments in Soil Salinity Assessment and Reclamation. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-5684-7_5
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DOI: https://doi.org/10.1007/978-94-007-5684-7_5
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