ERRORS IN SOIL HEAT FLUX MEASUREMENT: EFFECTS OF FLUX PLATE DESIGN AND VARYING SOIL THERMAL PROPERTIES

机译：土壤热通量测量中的误差：通量板设计和变化的土壤热性质的影响

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Flux plates with low λ had significantly lower values of G in both lab and field experiments. The Philip correction for heat flow divergence did not fully compensate for errors due to low plate λ. Correction for heat storage above flux plates can be larger than the flux at the plate. Direct measurement of C with the dual source probe agreed with de Vries' C estimate and can be used for real-time heat storage correction without measuring soil water content.

机译：在实验室和现场实验中，低λ的助焊剂板的G值均显着较低。热流散度的菲利普校正不能完全补偿由于低平板λ引起的误差。对通量板上方的储热的校正可以大于在通量板上的通量。用双源探头直接测量C与de Vries的C估算值相符，可用于实时储热校正，而无需测量土壤含水量。

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《25th Conference on Agricultural and Forest Meteorology and 12th Joint Conference on the Applications of Air Pollution Meteorology with Aamp;WMA and Fourth Symposium on the Urban Environment May 20-24, 2002 Norfolk, Virginia》|2002年|p.A11-A12|共2页
会议地点 Norfolk WV(US);Norfolk WV(US);Norfolk WV(US)
作者
T.J. Sauer; A.R. Harris; T.E. Ochsner; R. Horton;
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National Soil Tilth Laboratory, 2150 Pammel Drive, Ames, IA 50011-4420;

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原文格式 PDF
正文语种 eng
中图分类农业基础科学;
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ERRORS IN SOIL HEAT FLUX MEASUREMENT: EFFECTS OF FLUX PLATE DESIGN AND VARYING SOIL THERMAL PROPERTIES

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