A field sampling method for snow pits
A snow pit and field technology, applied in the direction of sampling devices, etc., can solve the problems of irregular collection of snow pit samples, easy contamination of snow pit samples, low concentration of trace elements, etc., to ensure authenticity and reliability, and avoid artificial Pollution, the effect of avoiding pollution
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[0022] The present invention will be further described below in conjunction with accompanying drawing:
[0023] A method for sampling snow pits in the field, the steps comprising:
[0024] (1) Preparation and cleaning of snow pit sampling tools, utensils, and sample bottles: In the ultra-clean laboratory, clean the aluminum shovel, plastic shovel, scraper, sampling tube, and plastic hammer for snow pit sampling with dilute nitric acid, and clean them with a double-layer Plastic bags are used for packaging, marking and boxing; in addition, cold-proof clothing, clean clothes, disposable plastic gloves, masks, etc. required for sampling should also be packaged together with sampling tools in the laboratory for easy access during sampling;
[0025] (2) Selection of the location of the snow pit: the location of the snow pit 1 is the flat area of the accumulation area above the glacier, and it is 100-300 m away from the two places upwind of the scientific research camp, so as to a...
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