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Soil Moisture Mapping with a Portable Cosmic Ray Neutron Sensor

IAEA TECDOC No. 1845

English IAEA-TECDOC-1845 ¦ 978-92-0-102018-5

56 pages ¦ 22 figures ¦ € 18.00 ¦ Date published: 2018

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Description

This publication was developed as an informational guide for soil moisture mapping at landscape level through a portable ‘backpack’ cosmic ray neutron sensor. This recently developed device monitors soil water content in a non-invasive way using background neutron counts. It is used to measure water content in the topsoil over wide areas, covering approximately 20 hectares with a single measurement. Through its mobility and by combining a series of measurements, this device provides the spatial variability of the soil water content for better agricultural water management. The publication provides scientists, technicians and students with the necessary information, guidance and steps to calibrate, validate and deploy this portable cosmic ray neutron sensor.

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Keywords

Soil Fertility, Irrigation, Soil Moisture, Measurement, Soil Mapping, Neutron Soil Moisture Meters, Portable, CRNS, Cosmic-Ray Neutron Sensor, Calibration, Data Processing, Software, Mobile CRNS, Soil Water, Topsoil, Measurements, Agricultural Water Management, Scientists, Technicians, Validation, Calculations, Backpack Calibration, Surveys, Techniques, Monitoring, Moisture Conditions, Procedures, Installations, Mobile Sensors, Advantages, Disadvantages, Geostatistics, Stationary Sensor

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