Sean C. Emmons

4 Questions 3 Answers 0 Followers

Questions related from Sean C. Emmons

How do i calculate the mean of pixel values for a raster image in Erdas imagine or arcmap?

I am using the landsat tree cover continuous fields dataset from Hansen et al. (2013) to calculate the mean forest cover within HUC 12 watershed boundaries. However I can't seem to figure out how...

18 April 2017 9,088 8 View

Is there a clear study out there that links the loss of forest cover to an increase in the rate of sedimentation?

I have been searching aimlessly through the literature for a publication that provides a clear link between the loss of forest canopy cover and an increase in sedimentation in rivers and streams....

29 November 2016 1,928 3 View

What is the easiest way to calculate percent canopy cover using Landsat imagery for a given area?

I'm looking to calculate percent canopy cover using Landsat 8 imagery and the programs ERDAS Imagine and Arcmap. I will be clipping the imagery for either a National Forest boundary or HUC unit...

17 November 2016 2,258 2 View

Is there a solid laboratory test that exists to test for endocrine disruptors in water samples taken from streams?

I will be collecting water samples for an eDNA study on Hellbenders and would like to test the water in the streams to figure out if endocrine disruptors are leading to their decline. Is there a...

11 August 2016 920 9 View