Wednesday, January 15, 2014

Spokane River Gaining/Losing Reaches Map

https://mapsengine.google.com/map/edit?mid=z_8zEnf-HcfI.kAaxxWN9VjNA

          The map that I created shows the gaining and losing reaches on the Spokane River. The Spokane aquifer creates these gaining/losing reaches with ground water. In gaining reaches the water actually flows into the stream from the underwater, and sometimes above water, inputs that are from the aquifer. In losing reaches the river actually flows into the aquifer and recharges it. In gaining reaches the water is at a temperature of 50 degrees F, plus or minus two to three degrees. This creates a cold water refugia during the summer months when the surface and ambient temperatures warm the river to above 70 degrees in the summer months. Since flows are controlled by the two dams that the Avista Power Corporation owns the flows are primarily delegated by them. These flows can be less than optimal for cold water species, such as redband trout that reside in the Spokane River. I am a Masters student at Eastern Washington University and my thesis will be on these gaining/losing reaches and wether or not as temperature increase, the there will be a higher density of fish at the gaining sites compared to the losing sites.
         After using the Google maps program there are certain plus and minus while using the system. On the plus sites if the area you are looking at is in a residential area the information that Google map provides makes the system very easy to use, but on the other hand if you are using the system in a less populated are or wilderness area you definitely can not use this system to map out your area. Google earth would be a better application for someone trying to show more of a wilderness area, but google earth will not allow you to make markers like on Google maps. One day Im sure Google will make a application that will allow you to do both. Until then, both the programs can be used to show the map your trying to accomplish. Google earth uses GPS coordinates, while Google maps uses the actually physical address or areas surrounding address.




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