Search found 142 matches

by GES DISC - jimacker
Wed Jan 27, 2021 10:52 am America/New_York
Forum: All Questions/Comments
Question: Satellite Image Neede
Replies: 4

Re: Satellite Image Neede

Hello, What spatial resolution are you seeking? The highest resolution from NASA satellites is from Landsat, which is 15 meters, but Landsat does not provide full global coverage daily, it is commanded and scheduled for observations. You may be able to get a view with 250 meter resolution MODIS band...
by GES DISC - jimacker
Tue Jan 26, 2021 1:23 pm America/New_York
Forum: All Questions/Comments
Question: Soil Carbon Measurement
Replies: 1

Re: Soil Carbon Measurement

Hello, We apologize for the slow response to your question. Our response was delayed because none of the NASA DAACs archives soil carbon data. However, the NASA Carbon Monitoring System (CMS) does have some soil carbon datasets. Go to the following page and search with the word "soil" in t...
by GES DISC - jimacker
Tue Jan 26, 2021 12:45 pm America/New_York
Forum: All Questions/Comments
Question: Wildfires, Climate Change, Green house emissions
Replies: 3

Re: Wildfires, Climate Change, Green house emissions

Hello, Here are a couple of articles that may help your data search and analysis. https://climate.nasa.gov/news/2891/a-drier-future-sets-the-stage-for-more-wildfires/ https://www.nationalgeographic.com/science/2020/09/climate-change-increases-risk-fires-western-us/ https://www.carbonbrief.org/explai...
by GES DISC - jimacker
Mon Jan 25, 2021 10:47 pm America/New_York
Forum: All Questions/Comments
Question: Land Surface Temperature
Replies: 5

Re: Land Surface Temperature

I suggest using the Giovanni system, https://giovanni.gsfc.nasa.gov/ . Search for "surface temperature". There are several data products available, both from satellite instrument observations and reanalysis models. Then you can create an area-averaged time series for your time period of in...
by GES DISC - jimacker
Wed Jan 20, 2021 3:06 pm America/New_York
Forum: All Questions/Comments
Question: FOG STUDY IN THE NORTHERN PLAINS INDIA
Replies: 1

Re: FOG STUDY IN THE NORTHERN PLAINS INDIA

Kancha, I would suggest starting with the MERRA-2 and AIRS data sets from the GES DISC. MERRA-2 has numerous meteorological variables, and the Atmospheric Infrared Sounder (AIRS) provides temperature and humidity data which can also be examined as vertical profiles. Below is a search URL for Dew Poi...
by GES DISC - jimacker
Wed Jan 20, 2021 2:37 pm America/New_York
Forum: All Questions/Comments
Question: Earthdata Webinar: A Clearer View of the Haze–Using NASA GES DISC Data Tools to Examine the June 2020 Sahara Dust Event
Replies: 15

Re: Earthdata Webinar: A Clearer View of the Haze–Using NASA GES DISC Data Tools to Examine the June 2020 Sahara Dust Ev

Leon, I have not received a reply on your question. However, I did find an article you may find of interest that utilized Giovanni. The reference is below. Wang, Q., Liu, H., Wang, P., Dai, W., Zhang, T., Zhao, Y., Tian, J., Zhang, W., Han, Y. and Cao, J. (2020) Optical source apportionment and radi...
by GES DISC - jimacker
Mon Jan 11, 2021 2:07 pm America/New_York
Forum: All Questions/Comments
Question: 500 Internal Error
Replies: 1

Re: 500 Internal Error

Dear Mingcheng,

Errors of this type can be better handled with an email message (containing the same content) to the GES DISC Help Desk. The contact information is on this Web page:

Contact Us
by GES DISC - jimacker
Wed Jan 06, 2021 9:50 pm America/New_York
Forum: All Questions/Comments
Question: MERRA 2 Evaporation
Replies: 2

Re: MERRA 2 Evaporation

Here is the answer from our MERRA-2 data curator. "M2TUNXLND is monthly mean diurnal , i.e., the average is done for each hour of a month. If you are interested in the monthly mean data, you should have data for M2TMNXLND. For the variable EVLAND, the unit is: kg m-2 s -1 Read more by searching...
by GES DISC - jimacker
Wed Jan 06, 2021 9:43 pm America/New_York
Forum: All Questions/Comments
Question: MLS ozone data v4 versus. v5
Replies: 4

Re: MLS ozone data v4 versus. v5

Here is the answer regarding the MLS data from our scientific staff. This is current as of 1-6-2021, as the data gaps listed will be filled as the reprocessing continues. "The v5 MLS was first released on June 11, 2020. Because it takes a long time to reprocess the full data record, the MLS tea...
by GES DISC - jimacker
Wed Jan 06, 2021 9:18 pm America/New_York
Forum: All Questions/Comments
Question: Aerosol-Atmosphere
Replies: 1

Re: Aerosol-Atmosphere

Hello, This answer is courtesy of MERRA-2 scientists who specialize in the aerosol components of the model. "The 'sedimentation' variables are the mass loss by gravitational settling to surface in units kg/m2/s. The loss due to dry removal processes is the sum of the 'sedimentation' and 'dry de...