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[資源]
A Handbook on Periglacial Field Methods
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共享: A Handbook on Periglacial Field Methods Introduction 02 Rationale 02 Approach 03 A devise for monitoring of shallow ground temperatures 05 Methods for measuring active-layer thickness 10 Active layer temperature monitoring in blocky material 21 Geomorphological mapping using kinematic GPS 27 Assessment of chemical denudation rates in cold environments 33 Monitoring frost heave with strain gauge transducers 49 Registering cold climate weathering with crack extensometers 55 Handling of samples for 18O-isotope analysis 63 Automatic digital cameras 65 Temperature measurements using Gemini miniature data loggers 67 Precipitation measurements using Gemini miniature data loggers 69 Humidity measurements using Gemini miniature data loggers 72 Housing for miniature data loggers in the field 75 Measuring net snow accumulation by miniature data loggers 78 Measuring snow cover thickness by miniature data loggers 80 1 |
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木蟲(chóng) (著名寫(xiě)手)
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