2018
DOI: 10.18174/466037
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Mapping soil texture with a gamma-ray spectrometer : comparison between UAV and proximal measurements and traditional sampling : validation study

Abstract: The need for up-to-date soil information for e.g. spatial planning, infrastructure, agriculture and nature conservation has resulted in the Dutch Key Registration of the Subsurface (BRO), which also contains the 1: 50,000 soil map of the Netherlands. Classifying properties for this map are a.o. related to soil texture. Therefore, methods are needed that efficiently and effectively measure these at the right scale level and with the required accuracy. This report describes a validation study into the possibilit… Show more

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Cited by 5 publications
(4 citation statements)
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“…Radioactive gamma rays have good penetrating ability and can pass through about 30 cm in the soil environment (Van Egmond et al, 2018). The gamma ray emission originates from spontaneous radioactive decay and it does not depend on any other objective or subjective case.…”
Section: Gamma Methodsmentioning
confidence: 99%
“…Radioactive gamma rays have good penetrating ability and can pass through about 30 cm in the soil environment (Van Egmond et al, 2018). The gamma ray emission originates from spontaneous radioactive decay and it does not depend on any other objective or subjective case.…”
Section: Gamma Methodsmentioning
confidence: 99%
“…• We willen metingen met bodemsensoren (bijvoorbeeld voor het meten van gammastraling) met een lateraal support van 6 m 2 (Egmond et al, 2018) omzetten naar een kaart van het lutumgehalte van een perceel dat geschikt is voor gebruik in een aardappelplanter met een werkbreedte van 4 of 8 meter.…”
Section: Methoden Bij Gewijzigd Supportunclassified
“…Although not entirely analogous to surveying and mapping a nuclear power plant disaster it presents a rough estimate of costs between the methods. UAVs are about twice the cost of ground vehicles while surveying on foot is about twice the cost of UAVs (Egmond et al, 2018). Also, as previously discussed the average walking speed is approximately 5 km/h while the typical flight speed for the UAV, while collecting data, was approximately 25 km/h.…”
Section: Lessons Learnedmentioning
confidence: 99%