求助：WRF跑中国区域数据投影方式

linana696 · 发表于 2017-9-18 08:24:25

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求助：WRF跑中国区域数据用lambert投影得到左侧的图用mercator投影得到右侧的图应该是用中纬度lambert投影的但是我想得到低纬度mercator投影中经纬度区域都是整数的图是不是应该采用lat—lon投影？搞不清楚？望得到解答还有个问题就是如果我用低纬度mercator投影的话是不是有问题？

weiguang1233 · 发表于 2017-9-18 08:48:29

用lat-lon吧

linana696 · 发表于 2017-9-18 15:42:19

weiguang1233 发表于 2017-9-18 08:48
用lat-lon吧

好像是不可以的吧 lat-lon是全球的吧

weiguang1233 · 发表于 2017-9-18 17:02:15

The cylindrical equidistant projection is required for global ARW simulations, although in its rotated aspect (i.e.,when pole_lat, pole_lon, and stand_lon are changed from their default values) it can also be well-suited for regional domains anywhere on the earth’s surface.

weiguang1233 · 发表于 2017-9-18 17:02:25

linana696 发表于 2017-9-18 15:42
好像是不可以的吧 lat-lon是全球的吧

The cylindrical equidistant projection is required for global ARW simulations, although in its rotated aspect (i.e.,when pole_lat, pole_lon, and stand_lon are changed from their default values) it can also be well-suited for regional domains anywhere on the earth’s surface.

最后的秦羽 · 发表于 2017-9-18 17:21:32

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