Search found 11 matches

by wfmiller
Wed Apr 07, 2021 1:59 pm America/New_York
Forum: All Questions/Comments
Question: CERES、shortwave flux
Replies: 2

Re: CERES、shortwave flux

Hi!, I am not familiar with the ISCCP-FH-MPF product, but pulled down the file for January 2017 and viewed it in Panoply and compared it with our EBAF product for the same date. I compared the sxd1fl, surface downward shortwave flux all sky in ISCCP-FH-MPF, with the EBAF Surface Shortwave Flux Down ...
by wfmiller
Tue Jan 26, 2021 5:34 pm America/New_York
Forum: All Questions/Comments
Question: Wildfires, Climate Change, Green house emissions
Replies: 3

Re: Wildfires, Climate Change, Green house emissions

Another article that tackled your question: https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2019EF001210 There are MODIS products that provide detection of fire and land use change. Reanalysis data like the Merra 2 would provide information on changes in temperature and humidity over Califo...
by wfmiller
Tue Jan 26, 2021 5:25 pm America/New_York
Forum: All Questions/Comments
Question: Land Surface Temperature
Replies: 5

Re: Land Surface Temperature

The CERES teams produces hourly cloud properties and other variables from geostationary satellites. This includes skin temperature for clear pixels. Starting with February 2017, Meteosat 8 came available to take observations over Qatar. The files can be found by searching Earthdata for CER_GEO_Ed4_M...
by wfmiller
Fri Aug 21, 2020 1:09 pm America/New_York
Forum: All Questions/Comments
Question: CERES SYN Data
Replies: 2

Re: CERES SYN Data

We are sorry for the confusion. The ASDC is migrating to new distribution tools that expose more of the data then was previously. What you are seeing are two processing of the same date. The six digit number before the date is what we refer to as the Configuration Code (CC). The file with the 401405...
by wfmiller
Wed Jul 22, 2020 2:35 pm America/New_York
Forum: All Questions/Comments
Question: Gap in EEI between CERES and ERA5
Replies: 2

Re: Gap in EEI between CERES and ERA5

The input sources CERES uses are documented at https://ceres.larc.nasa.gov/data/general-product-info/. The same CERES instrument, MODIS imager, and ancillary data was used throughout the period in question. The EBAF products also incorporated geostationary imager data in determining the LW all-sky f...
by wfmiller
Wed Jun 03, 2020 4:11 pm America/New_York
Forum: All Questions/Comments
Question: Aqua-CERES Level 2 data
Replies: 1

Re: Aqua-CERES Level 2 data

I’m not entirely clear in what the you are requesting, but I will provide what I think you are asking. 1. Each footprint has a Scan sample number that describes the order of the FOV in each packet. There are 660 samples in each packet, but since the majority are not Earth viewing they are not includ...
by wfmiller
Tue May 26, 2020 3:48 pm America/New_York
Forum: All Questions/Comments
Question: Time_of_observation in C3M data
Replies: 3

Re: Time_of_observation in C3M data

The Time of Observation in the C3M and SSF product is a continuous count of time in whole and fractional days elapsed at the Greenwich meridian since noon on January 1, 4714 BCE. So, the .500080335 portion would be slightly after midnight on July 1, 2008. The GMT is determined by first computing the...
by wfmiller
Fri Feb 14, 2020 1:22 pm America/New_York
Forum: All Questions/Comments
Question: CERES data scene types
Replies: 1

Re: CERES data scene types

The CERES data scene types include: Surf Index-CERES Surface Type 1 -Evergreen Needle Forest 2 -Evergreen Broadleaf Forest 3 -Deciduous Needle Forest 4 -Deciduous Broadleaf Forest 5 -Mixed Forest 6 -Closed Shrubs 7 -Open Shrubs 8 -Woody Savannas 9 -Savannas 10 -Grassland 11 -Wetlands 12 -Crops 13 -U...
by wfmiller
Tue Nov 26, 2019 5:53 pm America/New_York
Forum: All Questions/Comments
Question: Understanding CERES Products File Name
Replies: 3

Re: Understanding CERES Products File Name

Additionally, Data Description/Abstracts are available on the product page.Within this document you can relate Configuration codes to the changes that are related to them.
by wfmiller
Tue Nov 26, 2019 5:48 pm America/New_York
Forum: All Questions/Comments
Question: Understanding CERES Products File Name
Replies: 3

Re: Understanding CERES Products File Name

A change in the first three digits of the configuration code indicates a change in one of the inputs for the product, such as going form MODIS Collection 5, to 6 to 6.1. The last three numbers are related to new software being delivered.