Use of 137 Cs for soil erosion and assessment
Soil erosion is the most destructive land degradation process causing removal of soil, siltation of water reservoirs and pollution of water sources. Combating erosion needs reliable data on soil erosion rates, its dynamics and spatial distribution. Collecting such data with conventional methods requires great investment and long period of time. The 137Cs method for erosion assessment can address this problem. The Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture of the IAEA h as been working on this method for more than 20 years. This publication provides a brief guidance on this method. It covers major components of 137Cs method starting from its principles, the sampling strategy, gamma spectroscopic measurements, estimation of erosion rates with conversion models, data interpretation and the use of 137Cs method for erosion models validation. The publication is suitable for a wide audience such as researchers, agricultural and environmental experts, decision makers, farmers and students.
Main Authors: | 1423211776423 Fulajtar, E., Joint FAO/IAEA Div. of Nuclear Techniques in Food and Agriculture, Vienna (Austria) eng 183491, 1423211776424 Mabit, L., 1423211776425 Renschler, C.S., 1423211776426 Lee Zhi Yi, A. |
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Format: | Texto biblioteca |
Language: | eng |
Published: |
Rome (Italy) FAO/IAEA
2017
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Subjects: | erosion, site preparation, soil analysis, soil erosion models, data collection, Sedimentation, Sediment, Caesium, TRACER TECHNIQUES, Érosion, Sédimentation, Sédiment, Césium, Technique des traceurs, Erosión, Sedimentación, Sedimento, Cesio, Técnicas de trazadores, |
Online Access: | http://www.fao.org/3/i8211en/I8211EN.pdf |
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