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2Â¥2016-05-04 19:41:10
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Water-filled pore space (WFPS, %) was calculated according to the following relationship, (gravimetric moisture content x soil bulk density) / total soil porosity OR volumetric water content / total soil porosity where total soil porosity=1−(soil bulk density/soil particle density) Èç¹û²»Ã÷°×£¬Ö¤Ã÷ÈçÏ£º´ó·ÖĸÊÇÓаٷÖÖ®¶àÉٵĿף¬·Ö×ÓÓ¦¸ÃÊǰٷÖÖ®¶àÉÙµÄË®¡£Ë®µÄÖÊÁ¿=Ë®ÖÊÁ¿/ÍÁÈÀÖÊÁ¿XÍÁÈÀÖÊÁ¿= ÍÁÖØÁ¿º¬Ë®Á¿ X ÍÁÈÀÖØ¡£¡£¡£ÍÁÌå»ýº¬Ë®Á¿=Ë®µÄÖÊÁ¿£¨»òÕßÌå»ý¶¼Ò»ÑùÁË£©/×ÜÌå»ý = £¨ÍÁÖØÁ¿º¬Ë®Á¿XÍÁÈÀÖÊÁ¿£© / ×ÜÌå»ý = ÍÁÖØÁ¿º¬Ë®Á¿X£¨ÍÁÈÀÖÊÁ¿ / ×ÜÌå»ý £©= ÍÁÖØÁ¿º¬Ë®Á¿X ÈÝÖØ¡£ ËùÒԻص½¸Õ²Å¡£WFPSµÄ¹«Ê½£º´ó·ÖĸÊÇÓаٷÖÖ®¶àÉٵĿף¬·Ö×ÓÓ¦¸ÃÊǰٷÖÖ®¶àÉÙµÄË®¡£ÍÁÌå»ýº¬Ë®Á¿µÄÒâ˼¾ÍÊÇ£º·Ö×ÓÓ¦¸ÃÊǰٷÖÖ®¶àÉÙµÄË®£¬Ò²ÊÇÒ»¸ö°Ù·ÖÊý¡£È»ºóÒ»±È¾ÍÐÐÁË È»ºóthe soil particle density is assumed to be 2.65 g/cm3, soil bulk density is assumed to be 1.3 g/cm3 |
3Â¥2020-04-27 13:00:33
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