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Author Archives: pel2
Maps with Landsat Imagery
These maps of the study points were made with Landsat images taken from the ESRI Landsat Explorer. The Landsat imagery is considered medium resolution and is designed to show a larger area. Most of the bands are 30 meter resolution. … Continue reading
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False Color and True Color Comparison
These two maps compare scenes of the Birch Run area with NAIP 2017 imagery.
Remote Sensing Study Sites 2019
These are the sites we will be using to compare different types of imagery for FORT 230 in 2019. And adding the ArcGIS Online version.
Thorn Craig Bird Sanctuary
This area in Lewiston, Maine is a favorite for hiking and observing nature. It’s near the city, but seems like it is way out in the country.
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Back to the Drone
Today I started using the drone again. I did a demonstration for the Class of 1958 reunion. When I tried using the drone yesterday I had all kinds of problems, which led to two broken propellers! But I got it … Continue reading
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Hillshade and Contours
Usually hillshades from a DEM are visualized from the northwest. Here I tried it both from 315 degrees (NW) and due south, 180 degrees. The results are very different. The topography of the lake appears inverted with the azimuth of … Continue reading
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Landsat 8 Imagery
The top map has an overlay of Landsat 8 imagery from April 13, 2016, which was downloaded from the Landsat Look viewer. It used the percent clip enhancement that eliminates the lightest and darkest areas and modifies the colors. Landsat … Continue reading
October 3, 2018 FORT 230 Class
This video from Oregon State University is one of the best explanations of how to interpret remotely sensed imagery. It talks mostly about aerial photos, but it applies to other kinds of imagery, too. Following are notes on infrared imagery. … Continue reading
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Introduction to Remote Sensing Study Sites Fall 2018
We visited the sites on Monday, 8/27. It was a very, very hot and humid day! This year I added Pearl Springs instead of the Ralph Brock seedling orchard and golf course. It’s good to switch from time to time.
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