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¡¶·Ç·²µÄ¹«Ö÷Ï£Èð µÚÈý¼¾ (¶¹°ê)¡·¾çÇé¼ò½é£º¾Ý´ïÖÝÊÐÆøÏǫ́Ԥ¼ÆÎ´À´9Ì죨9ÔÂ18ÈÕ-9ÔÂ26ÈÕ£©´ïÖÝÊÐÇçÈȸßÎÂÌìÆø½«Ò»Á¬ÎÞ´ó¹æÄ£Ç¿½µË®ÌìÆøÀú³ÌÎçºóµ½ÍíÉÏÒ×·ºÆð¾ÖµØÇ¿¶ÔÁ÷ÖÐÄϲ¿×î¸ßÆøÎÂ37-40¡æ±±²¿É½Çø35-37¡æÆäÖÐ22-24ÈÕÊܵØÃæÈõÀä¿ÕÆøÓ°ÏìζÈÂÔÓÐϽµÖÐÄϲ¿×î¸ßÆøÎ½«½µÖÁ35¡æ×óÓÒ±±²¿ÍòÔ´½µÖÁ31¡æ×óÓÒ´ïÖÝÊд󲿵ط½¸Éºµ½«½øÒ»²½¼ÓÖØ·Ç·²µÄ¹«Ö÷Ï£Èð µÚÈý¼¾ (¶¹°ê)ÔÚÕâô¿ñÃ͵ÄÍþÁ¦ºä»÷ÏÂÖØ¼×ÄÐ×ÓÉíÉϵ퍱¦ÏÕЩ˲¼ä¾Í±»Äë³É·ÛÄ©ÎÒÏ£ÍûÌìÏÂÉÏÓÐÔ½À´Ô½¶àµÄÍõÌú÷µ«ÎÒҲϣÍûÓÐÒ»ÌìÎÒÃDz»ÔÙÕÙ»½¡¢²»ÔÙÐèÒªÍõÌú÷¶¼»áºÍÉçÇøÉè¼Æ²»Ó¦Ö¹²½ÓÚЧÂÊ¡¢ÑŹۻò¿Ì°åµÄÏÖ´ú»¯Ë¢Ð¶øÊǾ¡¿ÉÄܵØÈ¥»ØÓ¦Ã¿Ò»¸ö¸öÌåµÄµ£ÐÄ¡¢ÐèÇóÓëÆÚ´ý
¡¶·Ç·²µÄ¹«Ö÷Ï£Èð µÚÈý¼¾ (¶¹°ê)¡·ÊÓÆµËµÃ÷£ºÓêÑ©¡¢º®³±¡¢´ó·çÌìÆøHere we present a suite of measurements obtained by the Zhurong rover during its traverse across the southern LDM region in Utopia Planitia, Mars. We find evidence for a stratigraphic sequence involving initial barchan dune formation, indicative of north-easterly winds, cementation of dune sediments, followed by their erosion by north-westerly winds, eroding the barchan dunes and producing distinctive longitudinal dunes, with the transition in wind regime consistent with the end of the ice age. The results are compatible with the Martian polar stratigraphic record and will help improve our understanding of the ancient climate history of Mars.
2025-10-19 14:24:33