Search found 247 matches

by LP DAAC-EDL - lien
Wed May 03, 2023 9:13 am America/New_York
Forum: Home
Question: ground identification using GEDI waveform
Replies: 4

Re: ground identification using GEDI waveform

Hello, The GEDI science team responded: There is sufficient information in the ATBD to derive an RH metric, but unfortunately no code examples. The L2A code is not yet publicly available, but derivation of RH metrics from simulated GEDI waveforms is available in the GEDI simulator (https://bitbucket...
by LP DAAC-EDL - lien
Tue Apr 18, 2023 11:02 am America/New_York
Forum: Home
Question: about mod09gq
Replies: 1

Re: about mod09gq

Hello It has not been processed for clouds and snow. Pixel level QA information from clouds are stored in the MOD09GA 1KM State flags. MODIS Surface Reflectance does not view cloud pixels as bad but rather a state of being. So it collects the reflectance off of cloud tops or snow just as it would dr...
by LP DAAC-EDL - lien
Tue Apr 18, 2023 10:08 am America/New_York
Forum: Home
Question: ECOSTRESS Data
Replies: 6

Re: ECOSTRESS Data

Hello,
Sorry for the delay on this. We were in contact with the Ecostress Science team, and we are quite sure this is a cloud top issue. I double checked with MODIS data for that time an area and MODIS called it fill because of cloud issues
Thanks,
Brett
by LP DAAC-EDL - lien
Tue Apr 18, 2023 9:27 am America/New_York
Forum: Home
Question: MOD13Q1 HDF missing files
Replies: 5

Re: MOD13Q1 HDF missing files

Hi Julio, Ideally,it is best to use the same version, however for now there really is no other choice. When there is coverage from both Versions for you area of interest you may want to make a comparison just to check if there is much difference. The algorithm changes made between the versions were ...
by LP DAAC-EDL - lien
Fri Apr 07, 2023 11:25 am America/New_York
Forum: Home
Question: Missing MYD11A2 tiles on data.lpdaac.earthdatacloud
Replies: 3

Re: Missing MYD11A2 tiles on data.lpdaac.earthdatacloud

Hello,
Thanks for the heads up on this issue. They should all now be available through CMR also. Before they were only in the LPDAAC Data Pool but they are available in the cloud also. Thanks for your patience.
Brett
by LP DAAC-EDL - lien
Tue Mar 28, 2023 11:16 am America/New_York
Forum: Home
Question: Accessing the number of times and dates that ISS passed a site
Replies: 2

Re: Accessing the number of times and dates that ISS passed a site

Hello, This can be done using the Earthdata Search Tool: https://search.earthdata.nasa.gov/search You can enter your Gedi data set and select a date range, it will return all collected granules that fit your search parameters. You may also want to take a look at this: https://openaltimetry.org/data/...
by LP DAAC-EDL - lien
Tue Mar 28, 2023 9:27 am America/New_York
Forum: Home
Question: MOD05 hdf to tiff
Replies: 2

Re: MOD05 hdf to tiff

Good Morning,
We might have some alternative options also, what specific data product are you working with?
Thanks,
Brett
by LP DAAC-EDL - lien
Tue Feb 28, 2023 3:55 pm America/New_York
Forum: Home
Question: How to load MODIS/Terra+Aqua MAIAC Land Aerosol Optical Depth Daily L2G 1 km SIN Grid (MCD19A2) using Xarray Python
Replies: 2

Re: How to load MODIS/Terra+Aqua MAIAC Land Aerosol Optical Depth Daily L2G 1 km SIN Grid (MCD19A2) using Xarray Python

Hello Unfortunately, we do not have a tutorial for working with MCD19A2 data currently. But you can try the code below. make sure you are using the correct group for this dataset. For this dataset "grid1km" and "grid5km" are valid inputs for "group". you can also choose...
by LP DAAC-EDL - lien
Fri Feb 24, 2023 1:01 pm America/New_York
Forum: Home
Question: Appeears - MOD11a2 - Scaling factor added to tif via tiftag?
Replies: 5

Re: Appeears - MOD11a2 - Scaling factor added to tif via tiftag?

Hi,
I am sorry, I am not exactly sure what the issue is, were you expecting the statistics in the tiff metadata file?
Thanks,
Brett
by LP DAAC-EDL - lien
Tue Feb 21, 2023 10:32 am America/New_York
Forum: Home
Question: Can't download GEDI data from Earthdata.
Replies: 4

Re: Can't download GEDI data from Earthdata.

Good morning,
Sorry for the download issues. We had been experiencing server issues, but all should be fine now. Please give it a try and let us know if it is still being a pain, Thanks for your patience.
LPDAAC