Maria V. Kozlova

10 Questions 169 Answers 0 Followers

Questions related from Maria V. Kozlova

Any high resolution imagery captured before 2000 (Siberia, Norilsk)?

Hello, Does anyone know any sources of the multispectral/panchromatic satellite imagery, dated before 2000, which provide higher spatial resolution, than 30-60m (Landsat 1-5). We contacted Scanex,...

23 February 2021 4,723 8 View

Is it possible to generate a binary raster based of automatically defined threshold value in Qgis/Grass? If so, what method is provided by the soft?

Hello everybody, I need to produce a binary raster based on the automatically detected threshold value in Qgis from the 8-bit and 12-bit rasters obtained by the water index calculation on the...

09 August 2018 1,393 1 View

Does anybody know this Equisetum from ruderal habitats near the Ob' river sleeve?

Dear all, This specimen is found in the marshy habitats near the dam, which crosses the left Ob' sleeves, as well as on the left-beach floodplain, downstream the dam in Labytnangi town,...

04 October 2017 1,742 8 View

Does Cirsium tomentosum produce latex (milky juice)?

Dear colleagues, I'm searching for the papers regarded to the question or any other information about Cirsium species which are able to produce milky juice. I had some papers and a review but...

22 September 2016 1,495 3 View

What is the best software for Sentinel-2 image processing?

Dear colleagues, I'm asking for guidance about the software for S2 image processing due to its file format and the structure of metadata. Thank you in advance, Maria

20 May 2016 2,377 6 View

How can I get xy coordinates of GPS waypoints (input are point geographical coordinates, WGS1984) for certain Landsat scene?

Dear friends! is it possible to extract xy coordinates of points from the vector point file (esri shapefile) or .gpx file in a format (row/column) corresponded to certain Landsat image. More...

15 December 2015 2,173 8 View

Does anyone know of sources for Rayleigh scattering values to perform DOS 3 atmospheric correction?

Dear colleagues, Can someone give me any references to the sources for Rayleigh scattering values for DOS3 atmospheric correction of Landsat images or suggest some ways to measure it? I know...

03 April 2015 6,434 2 View

Channel 1 of Landsat 8 OLI sensor. How to use the information on coastal aerosols?

Dear colleagues! My question is about Channel 1 of Landsat 8 supposed to visualise coastal aerosols. I cannot find any evidence that such valuable information, as coastal aerosols ( anyway, such...

06 February 2015 5,512 3 View

Can I obtain comparable NDVI and GVI values from Landsat 7 (ETM+) and Landsat 8 (OLI) images as well as MSS vs. TM images?

Dear colleagues, I'm working with Landsat 1-8 images to compare vegetation during long period. I have found yet some information concerning image preprocessing to get comparable reflectance values...

05 February 2015 1,786 10 View

Can anyone suggest an organic buffer to provide wide range of pH?

Dear colleagues! I currently work with alkaliphilic fungus from soda solonchaks (S.alkalinus). For the study I use buffered media based on TRIS-HEPES buffer solution to achieve various pH....

04 February 2015 6,310 15 View