Comments (5)
cehbrecht
commented on July 20, 2024
The download access works only for OpenDAP. In this case it is file-access:
http://esgf2.dkrz.de/thredds/fileServer/
The esgf2.dkrz.de data node provides only replicas from the DKRZ archive. The node has only file-access. Please use the original dataset.
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karimnorouzi
commented on July 20, 2024
Could you please kindly elaborate.
I use the following code to search for the files, the urls are returned by the search process:
from pyesgf.search import SearchConnection
# conn = SearchConnection('https://esgf-data.dkrz.de/esg-search', distrib=True)
ctx = conn.new_context(
project='CORDEX',
variable = ['pr', 'tas'],
time_frequency=['3hr'], # '6hr'],
domain = 'NAM-22',
)
ctx.hit_count
rslts = ctx.search()
urls = []
for r in rslts:
files = r.file_context().search()
for file in files:
if file.opendap_url is not None:
urls.append(file.opendap_url)
print('adding {}'.format(file.opendap_url))
Should I replace esgf2 with esgf at the url ?
The funny thing is that I can download the files using the wget script. It works. But not with my pyclient program. It must be something I am doing wrong.
thanks.
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cehbrecht
commented on July 20, 2024
@karimnorouzi I tried your search and it returns files from datanode esgf1, like:
http://esgf1.dkrz.de/thredds/dodsC/cordex/cordex/output/NAM-22/GERICS/MOHC-HadGEM2-ES/historical/r1i1p1/GERICS-REMO2015/v1/3hr/tas/v20191015/tas_NAM-22_MOHC-HadGEM2-ES_historical_r1i1p1_GERICS-REMO2015_v1_3hr_197001010100-197012302200.nc
Currently it looks like the group registration service for CORDEX at SMHI is not responding.
@pchengi2 Could you please check?
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alaniwi
commented on July 20, 2024
It works with
url2 = url.replace("fileServer", "dodsC")
ds = xr.open_dataset(url2 , chunks={'time': 120})
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alaniwi
commented on July 20, 2024
Cannot reproduce the problem with search. The search correctly sets the relevant URLs.
Example:
>>> file.download_url
'http://esgf1.dkrz.de/thredds/fileServer/cordex/cordex/output/NAM-22/GERICS/MPI-M-MPI-ESM-LR/historical/r1i1p1/GERICS-REMO2015/v1/3hr/tas/v20191015/tas_NAM-22_MPI-M-MPI-ESM-LR_historical_r1i1p1_GERICS-REMO2015_v1_3hr_200501010100-200512312200.nc'
>>> file.opendap_url
'http://esgf1.dkrz.de/thredds/dodsC/cordex/cordex/output/NAM-22/GERICS/MPI-M-MPI-ESM-LR/historical/r1i1p1/GERICS-REMO2015/v1/3hr/tas/v20191015/tas_NAM-22_MPI-M-MPI-ESM-LR_historical_r1i1p1_GERICS-REMO2015_v1_3hr_200501010100-200512312200.nc'
>>> file.gridftp_url
'gsiftp://esgf1.dkrz.de:2811//cordex/cordex/output/NAM-22/GERICS/MPI-M-MPI-ESM-LR/historical/r1i1p1/GERICS-REMO2015/v1/3hr/tas/v20191015/tas_NAM-22_MPI-M-MPI-ESM-LR_historical_r1i1p1_GERICS-REMO2015_v1_3hr_200501010100-200512312200.nc'
The URL hard coded in the script at the top is a download URL.
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Related Issues (20)
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- No consistent result from different queries (CMIP6) HOT 1
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- Facets warning appears even when facets are specified HOT 5
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