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by xushanthutud
Fri Nov 28, 2025 6:33 am America/New_York
Forum: Home
Question: why does ALOS PALSAR data have pixels with Data Number=0
Replies: 1

why does ALOS PALSAR data have pixels with Data Number=0

Hi Guys, I am using ALOS PALSAR data on Canada for my research, however, I found at some regions (bare soil around the fluxnet tower CA-Obs in Canada) has pixels of which the Data Number is 0. My core download lines are: opts = { 'platform': asf.PLATFORM.ALOS, 'instrument': asf.INSTRUMENT.PALSAR, 'b...
by xushanthutud
Wed Jul 23, 2025 12:41 pm America/New_York
Forum: Home
Question: UTC or local time?
Replies: 3

Re: UTC or local time?

Thanks for your reply! So by "Z" you mean the Z from the arguments: "'start': '2006-01-01T00:00:00Z'," ? But I haven't see the Z from the resulting dataset...I am using following codes: from odc.stac import load # %% trust_crs_from_data=False # loading this data could be done wit...
by xushanthutud
Wed Jul 23, 2025 11:58 am America/New_York
Forum: Home
Question: UTC or local time?
Replies: 3

UTC or local time?

I am using python code to download ALOS backscatter. However, I am not sure the time I downloaded is UTC time or of local time. Here is my code: gdf = gpd.GeoDataFrame(geometry=points, crs="EPSG:4326") # Buffer the points by 500 meters gdf_buffered = gdf.to_crs(epsg=3857).buffer(500).to_cr...