Hi
I have a dataset of groundwater seasonal variation for a few wells for say 10 years. How can I incorporate this individual water table readings to get a impact raster which can I use to identify vulnerability of soils against degradation.
1) I can take average values of post and pre monsoon water tables and find reduction in water table to get a unified value of water consumption at that location. I can use this data for all the wells to create a interpolated surface. Which can be then used for vulnerability. this will be simplest of all approaches.
2) Is there any scientific method of analysis like Trend Analysis which will give me a value like Index.
3) which key words should I search for?
In case you are willing to understand the vulnerability of water level, trend analysis would be better. Becuase, it will you magnitude indicating the rate of water level depletion. You can make a interpolated surface using trend values to represent vulnerability. However, your question will not be clear enough untill you develop a concrete methodology how you will do the whole work (Including soil degradation).
Consider soils, geology and elevation with respect to streams in stratifying well info. Surface water table substantially different from confined aquifers. Tom Williams, Clemson University did some work in correlating water table responses to various coastal plain soil types and using that to predict water table changes on landscapes in wet, dry and average years, based on soils. If I run across his paper, I will send. The degradation you mention I assume is pumping from wells. If you mean water quality change from surface uses, that is different.
Consider soils, geology and elevation with respect to streams in stratifying well info. Surface water table substantially different from confined aquifers. Tom Williams, Clemson University did some work in correlating water table responses to various coastal plain soil types and using that to predict water table changes on landscapes in wet, dry and average years, based on soils. If I run across his paper, I will send. The degradation you mention I assume is pumping from wells. If you mean water quality change from surface uses, that is different.
Consider soils, geology and elevation with respect to streams in stratifying well info. Surface water table substantially different from confined aquifers. Tom Williams, Clemson University did some work in correlating water table responses to various coastal plain soil types and using that to predict water table changes on landscapes in wet, dry and average years, based on soils. If I run across his paper, I will send. The degradation you mention I assume is pumping from wells. If you mean water quality change from surface uses, that is different.
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