Srinivasarao Tanniru

12 Questions 10 Answers 0 Followers

Questions related from Srinivasarao Tanniru

Snow Depth Retrieval Using Chang's Baseline Model (1987) Horizontal or Vertical Polarisation is suitable?

I am currently doing literature review on snow depth retrieval methods using passive remote sensing. While the algorithm in Chang (1987) says it uses brightness temperature difference at 18 and 37...

01 January 2020 7,516 1 View

Does spatial resolution matters while analyzing distribution of CO2 over landcover?

I am analyzing CO2 data over various landcover classes. CO2 data I have obtained from Envisat - SCIAMACAHY (resolution is 0.5x0.5 degree). And the landcover resolution is 0.25x0.25 degree. If we...

01 January 2014 9,008 1 View

How do satellite systems give layer specific measurements?

There are a few satellites in the atmospheric research which give measurements particular to one layer such as troposphere, stratosphere etc. How do they distinguish between different layers? The...

10 October 2013 559 3 View

What is the location of the satellite measurement in limb/occultation?

SCIAMACHY which is onboard the Envisat has 3 different modes of measurements. (link : http://www.iup.uni-bremen.de/sciamachy/instrument/modes/index.html) . In Nadir it is easy to understand that...

10 October 2013 935 5 View

"Greenhouse gases" - are they cooling or heating the earth ?

Recently I have gone through several articles which are saying that GHG's are actually having a cooling effect on earth...

09 September 2013 6,763 25 View

How to fill the gaps in satellite data?

I have retrieved CO2 concentrations from EnviSat sciamachy's data sets. But for particular months (June, July, August and September) the data quality is poor. In the sense there were very few...

09 September 2013 2,390 7 View

What is the reference coordinate system a satellite takes for measuring profiles are collecting data over earth?

Will there be any reference coordinate system which satellite uses for taking measurements or collecting data on earth? Like SCIAMACHY collects various trace gases on earth but how can we talk...

08 August 2013 7,982 2 View

What is the exact difference between level2 and level2G products of OMI?

OMI level2 products contain geophysical information at ground pixel resolution and derived from level 1B product. Level 2G (L2G) datasets contain one day's worth of the Level 2 data (typically 14...

07 July 2013 5,537 1 View

What are the satellites that available for monitoring CO2 at troposphere ?

What are the satellites available for measuring co2 at reasonable quality in terms of resolution and accuracy at tropospheric level.

07 July 2013 8,362 5 View

How to Convert GOME 2 level 1b product into a level 2 data product?

I have downloaded GOME 2 level 1b data product. I need to retrieve geophysical information from it. But that data will be present in level 2 products only. Help me how to convert it into level 2...

06 June 2013 6,680 0 View

Which Satellite will provide good accuracy in terms of concentration while extracting trace gas information from the imagery?

Now there are so many satellites which are helpful in monitoring the stratospheric environment and gases. Out of all those, which is best in terms of resolution and providing the details about the...

05 May 2013 3,753 6 View

Does any one have experience with FORLI software?

While reading an article I found a sentence that says "The FORLI code minimizes the difference between the observation and simulation by iteratively updating the state vector (set of unknown...

05 May 2013 821 0 View