How do I find location of minimum value within a buffer (around a point)

Question

1. I have a digital elevation model (DEM) with a point location defined.

2. I want to locate the lowest height values at a set distance from this point.

3. I envisaged creating a buffer around the point and then locating the lowest height values; firstly is this the best way of achieving this, if not can you recommend another option ?

4. If it is the best way, once the buffer is created around the point, how do I extract DEM cells with the lowest height values? I dont want to know what their values are, I want to be able to identify the cells and know where the cells are.

Thanks for any assistance you can provide.

Answer 1

I think you can create a buffer, then clip your DEM to this buffer (see this or this), and then this clipped DEM circle you can reclassify to show the lowest cells. Or just use Classified symbology in properties.