【求助】关于ERA-interim降水资料问题

beryl

我想请教下ERA-interim的降水资料问题。
我在资料下载的页面上有找到Convective precipitation和Total precipitation。
页面上有Select Step 0 3 6 9 12选项，我搜索了下帖子，看到有人说其中0代表观测资料，3代表3小时预报，6代表6小时预报......但是选了“0”之后，就没有precipitation的资料了，那这样的话是说interim没有观测的降水资料吗？
我就想知道到底有没有观测的降水资料啊？麻烦各位了~
资料下载的页面：http://data-portal.ecmwf.int/data/d/interim_full_daily/

小虹

好像欧洲中心是没有观测的降水，只有预报的降水

letsdo8

不信第三个也是衰神。

letsdo8

好像论坛上已有讨论。搜搜吧。

w1215lin

楼主的问题解决了吗 ？你选的是1979至今的数据，在 1957至2002年的数据里就不用选step。我也想搞明白这个问题。楼主知道的话指导我一下，我是新手。感谢！

syt

一直也迷糊着呢

syt

恩，这个帖子或许对同样迷糊着的雨儿有点用。http://bbs.06climate.com/forum.php?mod=viewthread&tid=13288
其中下面这个拨开云雾：
FAQ：What is the difference between analyses, forecasts and accumulated forecasts?

ECMWF data can be split into 3 main categories: analyses, instantaneous forecasts and accumulated forecasts. Analyses are produced by combining short-range forecast data with observations to produce the best fit to both. The data are available a few times per day. Instantaneous forecast data are produced by the forecast model, starting from an analysis, and are available at various forecast steps (hours) from the analysis date/time. (Note, forecasts are not initiated from all analyses.) These data are relevant to a particular verifying date/time (analysis date/time plus step). Accumulated forecast parameters are accumulated from the beginning of the forecast. You can divide values by the length of the forecast step to calculate averages over the accumulation period. Some parameters are only analysed (eg. model bathymetry), some are only forecast (e.g. radiative fluxes) and some are both analysed and forecast (e.g. temperature, winds and pressure).

hustlh

楼主问题解决了嘛？？？    我最近也准备用这个降水数据，但是在“select time” 和“select step” 时不知道该怎么设置？？？？   

小玩wr

如此选择，肯定就是没有观测数据咯……

qinkong

syt 发表于 2013-9-18 17:28
恩，这个帖子或许对同样迷糊着的雨儿有点用。http://bbs.06climate.com/forum.php?mod=viewthread&tid=1328 ...

先回复下，有心情了再看~
我觉得有用！