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Why GEE masked mean values differs from Excel masked mean values (check test)?
we need to get mean daily values of Potential Evapo from a GLDAS collection (8 Images per day with more than 12 variables). We came up with this code for masking the air temp, based on recipes we read here, and then averaged all values in a day. The issue is, when we compare our means with GEE mean, we found important differences. We downloaded the time series of Epot with and without mask, and then computed the mean value in Excel, the results of some spots show significative differences. The mean ETpot with negative values from GEE and Excel are quite similar but when we applied the mask both mean values differ…. Any idea why?
Here is de code
mask_negative_day_mean
https://code.earthengine.google.com/?accept_repo=users/venturv/repo
google-earth-engine
asked 1 min ago
Virginia VenturiniVirginia Venturini
1
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Virginia Venturini is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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add a comment |
we need to get mean daily values of Potential Evapo from a GLDAS collection (8 Images per day with more than 12 variables). We came up with this code for masking the air temp, based on recipes we read here, and then averaged all values in a day. The issue is, when we compare our means with GEE mean, we found important differences. We downloaded the time series of Epot with and without mask, and then computed the mean value in Excel, the results of some spots show significative differences. The mean ETpot with negative values from GEE and Excel are quite similar but when we applied the mask both mean values differ…. Any idea why?
Here is de code
mask_negative_day_mean
https://code.earthengine.google.com/?accept_repo=users/venturv/repo
google-earth-engine
asked 1 min ago
Virginia VenturiniVirginia Venturini
1
New contributor
Virginia Venturini is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
we need to get mean daily values of Potential Evapo from a GLDAS collection (8 Images per day with more than 12 variables). We came up with this code for masking the air temp, based on recipes we read here, and then averaged all values in a day. The issue is, when we compare our means with GEE mean, we found important differences. We downloaded the time series of Epot with and without mask, and then computed the mean value in Excel, the results of some spots show significative differences. The mean ETpot with negative values from GEE and Excel are quite similar but when we applied the mask both mean values differ…. Any idea why?
Here is de code
mask_negative_day_mean
https://code.earthengine.google.com/?accept_repo=users/venturv/repo
google-earth-engine
asked 1 min ago
Virginia VenturiniVirginia Venturini
1
New contributor
Virginia Venturini is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
we need to get mean daily values of Potential Evapo from a GLDAS collection (8 Images per day with more than 12 variables). We came up with this code for masking the air temp, based on recipes we read here, and then averaged all values in a day. The issue is, when we compare our means with GEE mean, we found important differences. We downloaded the time series of Epot with and without mask, and then computed the mean value in Excel, the results of some spots show significative differences. The mean ETpot with negative values from GEE and Excel are quite similar but when we applied the mask both mean values differ…. Any idea why?
Here is de code
mask_negative_day_mean
https://code.earthengine.google.com/?accept_repo=users/venturv/repo
google-earth-engine
google-earth-engine
asked 1 min ago
Virginia VenturiniVirginia Venturini
1
New contributor
Virginia Venturini is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 1 min ago
Virginia VenturiniVirginia Venturini
1
New contributor
Virginia Venturini is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 1 min ago
Virginia VenturiniVirginia Venturini
1
New contributor
Virginia Venturini is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 1 min ago
Virginia VenturiniVirginia Venturini
1
asked 1 min ago
Virginia VenturiniVirginia Venturini
1
1
New contributor
Virginia Venturini is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Virginia Venturini is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Virginia Venturini is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
add a comment |
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