16 Questions 311 Answers 0 Followers
Questions related from James Varghese
Unlike Optically thick clouds, Cirrus Clouds are thin, high altitude clouds formed in the upper troposphere layer of the Earth's Atmosphere. These Cirrus Clouds are not easily identifiable in the...
03 March 2019 3,909 3 View
Emissivity is a crucial parameter for calculating Land Surface Temperature (LST). One of the algorithms to calculate LST using single thermal band of Landsat 8 (Band 10) or Landsat 7 (Band 6) or...
03 March 2018 4,142 22 View
Does anyone know how frequently sand storms and dust storms that arise from middle east or north africa travel to Pakistan and North India? I was wondering, in view of the already worsening air...
11 November 2017 1,322 9 View
I would like to know if the emissivity of soils in the thermal infrared region (8 µm - 12 µm) are affected by acidic, basic or neutral soil types. I am trying to take thermal infrared measurements...
03 March 2016 7,390 10 View
Topics which will be covered in the Conference are: •OBIA & and modeling•Multi-scale and multi-temporal interpretation strategies and representations•Accuracy assessment•Integration with...
03 March 2016 7,411 4 View
I have two datasets which are outputs from a model. Each dataset contains an array of independent variable X and 10 dependent variables Y. I have tried to create 4 different visualization options...
12 December 2015 9,925 10 View
I am carrying out a lab experiment to see the effect of dry and wet soil on Emitted Radiance. The results are anticipated to help develop an understanding of how soil moisture influences...
11 November 2015 9,036 11 View
I have been analyzing a Landsat 8 (July 2014) scene of Danakil Depression located in the Afar Region near the border with Eritrea, Djibouti and Ethiopia in Africa. The area of interest is Dallol...
07 July 2015 1,248 12 View
Geothermal Energy has long been regarded as Green Energy's silver bullet. And rightly so because of its potential as a stable, secure, environmentally friendly and a cheap Energy resource. But...
04 April 2015 4,799 7 View
Although there are some RADAR based sensors out there which are quite helpful in Emergency and Disaster Response situation, they are not freely available. Now it seems Sentinel-1 is the first one...
12 December 2014 261 16 View
Generally, before calculating vegetation indices, satellite data is converted to reflectance. What are the disadvantages of using "digital number" or DN values instead of surface reflectance for...
11 November 2014 4,377 34 View
I have three different satellite Images from three different time periods, one from Landsat 8 (30 m), another from ASTER (15m) and one from MODIS (250 m). The objective here is to do a...
11 November 2014 5,840 15 View
Right now as I frame this question many are perishing because of the floods in the state of Jammu & Kashmir in northern India and across the border in Pakistan. The news says it is one of the...
09 September 2014 9,398 14 View
NASA’s first dedicated Earth remote sensing satellite to study atmospheric carbon dioxide from Space was launched successfully in July, 2014. Its primary objective is to monitor sources and sinks...
08 August 2014 6,335 9 View
Although I have been able to get most of the information related to Landsat 8 and its bands from landsat.usgs.gov website, still, I haven’t been able to explore the complete potential of its...
08 August 2014 7,175 13 View
I am looking for an opportunity to pursue research in applications of remote sensing and GIS in 'natural hazards and disaster risk management'.
06 June 2014 8,703 4 View
