???2?15?????? (????????? ?????)2?????????????????14?,????(???)(??????????????“????”)????2????,????,??????????????????????,????????????,?1.2?????????????

???????????????????????

2025?????????2???8????,??????2???????????????????????,???????????

???????????,???????,????3.2?LiDAR???????????????,???60?????????,??5???????????????????????

?1148.17?????????????,??????593.72?????,?????????????554.45??????,??????40????-60?????????????????????????????????????,???,???????????????283??,??????????????42.7????????????908???????????????(??1162?????????????????????),?????296??????????????????,??????2562.8??,??????????18?????????????283?????,??????????????????306?????????????????,???????????417????????

?????????????????????????

?(??????????????????????)?2010?(DEM),?5??????????????????????????????DEM?,??????????????,????????????DEM?0.1?(?????DEM???????)?“?,?,?????DEM?,????”??,??????????????????0.5????????

?????????????????,???DEM???????????????????DEM??????????,?,???58.7?????????????,????????22.4??

?(????????????????)??????

?,??35.3??????????????,???????????????57.7?,???????????????(???)

????????????:?????????

??

??:???????????,??????????,??????????????