很多人不知道如何判读等高线图,我来教教大家怎么识别等高线图。
操作方法 01
山顶(山峰):
等高线地形图中,数值中部高四周低,则中部为山顶。盆地或洼地:等高线地形图中,数值中部低四周高,则中部为盆地。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/ac6eddc451da81cbe8fe405e4066d0160924310d?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
02
山脊:等高线由高处向低处弯曲的地方就是山脊。山脊地势比两侧高,是分水线,所以往往是河流的
分水岭。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/0eb30f2442a7d93329b027e0bf4bd11373f0010d?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
03
山谷:等高线由低处向高处弯曲的地方,就是山谷。山谷是集水线(集水区),水源能汇聚在一起,所以这里一般会形成河流 。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/d043ad4bd11373f06427ac0cb60f4bfbfbed040d?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
04
山谷和山脊的判别:等高线向海拔较高处凸出的是山谷,向海拔较低处凸出的是山脊,因此“凸高为谷,凸低为脊”
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/a50f4bfbfbedab64ef6a8e53e536afc379311e0d?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
05
鞍部:正对的两山脊或山谷等高线之间的空白部分,(相邻两个山顶之间的低下部分,外形像马鞍而得名。)也是山脊上两山间的低浅处,但略比山坳为高,如鞍部地形狭窄而深下,用来作横跨山脊两侧的道路,则称做山隘。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/03087bf40ad162d9eff4a18f03dfa9ec8a13cd0f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/a8ec8a13632762d0d324672cb2ec08fa513dc60f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
06
陡崖:数条高程不同的等高线相交一处时,该处的地形部位为陡崖。近于垂直的山坡,多条等高线重叠的地方。陡崖适合
攀岩运动,可能会有瀑布。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/58ee3d6d55fbb2fb6d319b815d4a20a44623dc0f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/08f790529822720e3bd4216969cb0a46f21fab0f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)