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Hunting
Maps, GPS and Google Earth
watching a burn scar recover with Google Earth and Onx maps
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<blockquote data-quote="M77Fan" data-source="post: 3042374" data-attributes="member: 115996"><p>Good question. Piqued my interest because I have been tracking some past fires where I hunt. Fires are all over, and they sure change the large-scale timber cover. You can easily see burn areas on GoogleEarth or OnX, but when you look, most burns look like mosaics of burned and unburned, and as they recover, herbaceous cover comes in among the standing dead trees. </p><p></p><p>Have noted at least in some areas, elk treat standing dead similar to live forest, and behave similar within the burn. Once on a sheep hunt I had the opportunity to observe a bunch of elk in what I referred to as the "transparent forest". They had been pushed into a 7 year old burn where I was because of an active fire on the other side of the mountain. A few years after a fire, the forage within the burn is very good as long as there is rain. It was educational, and because of the sizes of some bulls it was sometimes difficult to remember I was looking for a good ram!</p><p></p><p>One way to do what you want, that I know of, is cumbersome, and you need to know a little about using GoogleEarth tools. If you poke around in Inciweb, which tracks fires, you can find old fire maps. I went looking for the Calf Canyon fire and found progressive fire coverage maps at this url: <a href="https://inciweb.nwcg.gov/incident-maps-gallery/nmsnf-calf-canyon" target="_blank">https://inciweb.nwcg.gov/incident-maps-gallery/nmsnf-calf-canyon</a></p><p></p><p>If you scroll below the GIS map shown at that url, there is a group of static map PDFs that you can download so you can see the fire margins. See the attached PDF map. </p><p></p><p>If you take that map, and create (digitally draw) a polygon on GoogleEarth that approximately encloses the fire, you can save that polygon shape and have it to look at on GoogleEarth. You can also save that polygon shape as a KMZ file and export it to your hard drive, then email it or use it in other applications. Not sure if OnX will import a KMZ since I have not messed with OnX mapping much - I prefer the air photos on GoogleEarth as a rule. The latitude/longitude for the fire is given on Inciweb as <strong>35° 45' 34'', -105° 30' 12"</strong> If you copy the bolded part, and plug that into GoogleEarth's search blank, it will take you to the fire location.</p><p></p><p>Anyway, once you have saved an outline of the fire footprint, you can turn that polygon on or off on GoogleEarth, and look at the time progression photos to see how it is changing. You can also see how much of the area within the polygon was not actually fully burned, and thus where live timber still stands.</p></blockquote><p></p>
[QUOTE="M77Fan, post: 3042374, member: 115996"] Good question. Piqued my interest because I have been tracking some past fires where I hunt. Fires are all over, and they sure change the large-scale timber cover. You can easily see burn areas on GoogleEarth or OnX, but when you look, most burns look like mosaics of burned and unburned, and as they recover, herbaceous cover comes in among the standing dead trees. Have noted at least in some areas, elk treat standing dead similar to live forest, and behave similar within the burn. Once on a sheep hunt I had the opportunity to observe a bunch of elk in what I referred to as the "transparent forest". They had been pushed into a 7 year old burn where I was because of an active fire on the other side of the mountain. A few years after a fire, the forage within the burn is very good as long as there is rain. It was educational, and because of the sizes of some bulls it was sometimes difficult to remember I was looking for a good ram! One way to do what you want, that I know of, is cumbersome, and you need to know a little about using GoogleEarth tools. If you poke around in Inciweb, which tracks fires, you can find old fire maps. I went looking for the Calf Canyon fire and found progressive fire coverage maps at this url: [URL]https://inciweb.nwcg.gov/incident-maps-gallery/nmsnf-calf-canyon[/URL] If you scroll below the GIS map shown at that url, there is a group of static map PDFs that you can download so you can see the fire margins. See the attached PDF map. If you take that map, and create (digitally draw) a polygon on GoogleEarth that approximately encloses the fire, you can save that polygon shape and have it to look at on GoogleEarth. You can also save that polygon shape as a KMZ file and export it to your hard drive, then email it or use it in other applications. Not sure if OnX will import a KMZ since I have not messed with OnX mapping much - I prefer the air photos on GoogleEarth as a rule. The latitude/longitude for the fire is given on Inciweb as [B]35° 45' 34'', -105° 30' 12"[/B] If you copy the bolded part, and plug that into GoogleEarth's search blank, it will take you to the fire location.[B][/B] Anyway, once you have saved an outline of the fire footprint, you can turn that polygon on or off on GoogleEarth, and look at the time progression photos to see how it is changing. You can also see how much of the area within the polygon was not actually fully burned, and thus where live timber still stands. [/QUOTE]
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