Search found 15 matches

by xwgw
Mon Jan 20, 2025 2:50 am America/New_York
Forum: Home
Question: Cloud parameter data source problem in CERES project
Replies: 1

Cloud parameter data source problem in CERES project

Source of cloud parameter data in CERES project: I have 3 questions about cloud parameter data and radiation flux data in CERES project, which need to be correctly interpreted. First, in the CERES project, does the cloud parameter information come from modis on the same satellite platform? Secondly,...
by xwgw
Fri Jan 17, 2025 4:41 am America/New_York
Forum: Home
Question: Questions about cloud product information in CERES
Replies: 1

Questions about cloud product information in CERES

Questions about cloud product information in CERES Is the CERES Single Footprint satellite product SSF cloud product data information derived from MODIS cloud products? Then, CERES uses the cloud product data and aerosol data information provided by modis to input into the fu-liou model used in CERE...
by xwgw
Tue Nov 26, 2024 12:36 am America/New_York
Forum: Home
Question: About CERES cloud product information provided in the project
Replies: 1

About CERES cloud product information provided in the project

I would like to ask the following questions about the cloud product information provided on the CERES website. First of all, the cloud attribute information provided in CERES, such as cloud height, cloud optical thickness, cloud droplet particle radius and other information, is provided from modis o...
by xwgw
Tue Sep 03, 2024 10:45 pm America/New_York
Forum: Home
Question: Determination of cloud position in CERES products
Replies: 6

Re: Determination of cloud position in CERES products

Hello, I still have some questions to ask you, that is, in the cloud parameter information, how to choose and define the optical thickness of the cloud and the effective radius of the cloud droplet particles, because SSF in the single footprint satellite product provides the logarithmic visible opti...
by xwgw
Mon Sep 02, 2024 12:01 am America/New_York
Forum: Home
Question: CERES radiation flux problem
Replies: 2

CERES radiation flux problem

Help Post: I would like to know the product information of the radiative flux of the surface and the top of the atmosphere provided by the CERES Cloud and Radiation Observation system. First of all, how is the long-wave radiative flux defined and how is it calculated, because the short-wave waveleng...
by xwgw
Sun Sep 01, 2024 12:26 am America/New_York
Forum: Home
Question: Single footprint satellite product problem in CERES
Replies: 5

Re: Single footprint satellite product problem in CERES

Hello, sorry to bother you again. I have another question to ask you, that is, for the short wave, long wave and surface and top atmosphere radiation flux information provided by CERES. For short wave, I know that the wavelength range of short wave is 0.2-5 microns, and the window channel is 8-12 mi...
by xwgw
Sat Jul 27, 2024 11:22 pm America/New_York
Forum: Home
Question: Single footprint satellite product problem in CERES
Replies: 5

Re: Single footprint satellite product problem in CERES

Hello, thank you for your help. But I'm a little confused, because I think we need to estimate the surface radiation budget. But it is much more complex than estimating TOA because it requires a radiative transport model and satellite-derived cloud and aerosol properties as well as atmospheric state...
by xwgw
Fri Jul 26, 2024 4:29 am America/New_York
Forum: Home
Question: Single footprint satellite product problem in CERES
Replies: 5

Single footprint satellite product problem in CERES

Help post: Single footprint satellite product problem in CERES What is the cloud size of SSF in the single footprint satellite product of CERES, cloud_fraction (PS: there is a PSF-wtd MOD04 cloud fraction land in its product)? Because there are two cloud products in the grid product of the single f...
by xwgw
Thu Jul 25, 2024 9:26 am America/New_York
Forum: Home
Question: Cloud parameter problem in CERES single footprint data
Replies: 1

Cloud parameter problem in CERES single footprint data

Help: Cloud parameter problem in CERES single footprint data In CERES 'satellite product SSF, different bands of cloud droplet water particle radius and ice water particle radius (3 different bands of 1.2, 2.1 and 3.7 microns) are provided, but the liquid water path and ice water path are 3.7 micro...
by xwgw
Mon Apr 15, 2024 8:12 am America/New_York
Forum: Home
Question: CERES 'definition of SSF instantaneous footprint information for Level 2 products
Replies: 1

CERES 'definition of SSF instantaneous footprint information for Level 2 products

CERES Level 2 product SSF, how is this instantaneous footprint information defined, is it consistent with the transit time of the satellite, for example, how many times the satellite has passed through a certain area, how many footprint information, is that right? Because I downloaded the instantane...