?????????????????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????,????????????(??????)

??:??????

??

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