Clinton Rissmann

8 Questions 23 Answers 0 Followers

Questions related from Clinton Rissmann

What is the best method for unsupervised classification of large and multidimensional raster data sets?

We are attempting to generate a landscape classification of a large area using remote sensing data with a 20 x 20 m cell size and an area of 200,000 km2. We have 8 different rasters and want to...

02 February 2020 405 4 View

Is symbolic regression limited by interactions between features to the same extent as linear regression models?

I've found a significant number of papers that are employing Genetic Programming approaches such as symbolic regression (SR) to better model complex environmental systems. Many workers note that...

07 July 2019 6,824 2 View

Is it possible to weight the significance given to a raster during K-means or equivalent classification of raster imagery?

We are using multiple raster layers to produce a predictive classification of the landscape. Statistical modelling indicates that some of the layers we are using for the classification are more...

01 January 2019 8,361 1 View

User friendly unsupervised classification software or plugin for multiple geospatial layers - raster and vector?

I'm wanting to run an unsupervised classification of multiple geospatial layers within Q-GIS or other open source software. I have both vector and raster information: airborne radiometric, DEM,...

08 August 2018 4,428 3 View

Can members help with recommending papers on the role of biosolids over landfill leachate composition?

Dear Members, I'm interested in the role landfilling of biosolids play in the evolution of landfill leachate chemistry. Specifically, do biosolids significantly influence leachate composition and...

10 October 2016 993 2 View

What is the best method for measuring in situ soil Eh/ORP?

I would like a simple method to measure in situ soil reduction potential. Does anyone know of a durable sensor/probe that can be inserted into the soil profile for a reading of ORP? I'm reluctant...

12 December 2015 6,923 12 View

If using the Graphical Statistical Approach (GSA) to assess emissions does one need to debiase?

Debiasing soil gas flux data for emissions estimation using the GSA approach. I use an adaptive sampling method to guide soil gas flux sampling. This results in a high degree of clustering of my...

04 April 2014 1,708 1 View

Why do some soils develop poor drainage?

Soils vary in their drainage status. Soil drainage status is a key control over redox and hydrological response. Can anyone explain why some soils evolve towards being poorly drained and others...

01 January 1970 8,912 9 View