I'm trying to calculate the windspeed from a pixel many times changing the date range from an image collection. I Don't know how write loop for that:
var fc = ee.FeatureCollection('USDOS/LSIB_SIMPLE/2017')
.filter('wld_rgn == "SE Asia"');
var Windspeed = ee.ImageCollection('NASA/GLDAS/V021/NOAH/G025/T3H')
.filter(ee.Filter.date('2020-01-01'))
.select('Wind_f_inst')
.mean();
var Windspeed1 = ee.ImageCollection('NASA/GLDAS/V021/NOAH/G025/T3H')
.filter(ee.Filter.date('2020-01-02'))
.select('Wind_f_inst')
.mean();
...
var Windspeed364 = ee.ImageCollection('NASA/GLDAS/V021/NOAH/G025/T3H')
.filter(ee.Filter.date('2020-12-31'))
.select('Wind_f_inst')
.mean();
var wind = Windspeed.add(Windspeed1)..........add(windspeed364)
var WindVis = {
min: -0.28945971257313863,
max: 7.197656994173444,
palette: ['1303ff', '42fff6', 'f3ff40', 'ff5d0f'],
};
Map.centerObject(fc);
Map.addLayer(wind.clip(fc), WindVis, 'U2');
Best Answer
You could for instance do client-side iteration over the days of year:
https://code.earthengine.google.com/9f2c354df6a384b9977188dd005f5a4b