Wednesday, April 29, 2009

Progress for Wednesday 4/29

Today I started organizing my data and standardizing what I needed from each DEM file which I had split into four equal extents.

For each DEM extent I calculate:

  • slope
  • aspect
  • hillshade
  • elevation > 2800
From these I have been using the overlay of elevation to get an idea of where to look in the study area. This overlay covers a huge area but it's much easier to look at these spots than to clandestinely search around the map.


This image displays what areas in the study extent are greater than 2800m in Orange


Now that I have all the DEM files and county level data standardized I am going to simply focus on finishing the rock glacier database. I have finished finding rock glaciers in the upper left quadrant, and now I am going to complete the other ones with the 20 or so hours that I have left in this independent study.

As far as scanning the orthophotos I have totally finished the following counties:

  • Ouray
  • San Miguel
  • San Juan
I am currently lacking the following:

  • Mineral
  • Hinsdale
  • La Plata
  • Dolores
  • Gunnison
  • Sagauche
  • Conejos
  • Rio Grande
  • Archuleta
I have already downloaded hinsdale and La Plata counties orthophotos and I will be processing those two tomorrow. If I do 2-3 Counties a day I should be finished in time before the end of this independent study.

This screenshot show the current distribution of the rock glacier database as of 4/29/2009 with the DEM as the base layer, elevation > 2800 in orange, and rock glaciers as triangles.



Currently completed 74/90 hours as of 4/29/2009

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