An overview and comparison of machine-learning techniques for classification purposes in digital soil mapping

B Heung, HC Ho, J Zhang, A Knudby, CE Bulmer… - Geoderma, 2016 - Elsevier
Abstract Machine-learning is the automated process of uncovering patterns in large datasets
using computer-based statistical models, where a fitted model may then be used for …

Digital mapping of peatlands–A critical review

B Minasny, Ö Berglund, J Connolly, C Hedley… - Earth-Science …, 2019 - Elsevier
Peatlands offer a series of ecosystem services including carbon storage, biomass
production, and climate regulation. Climate change and rapid land use change are …

Spatial cross-validation is not the right way to evaluate map accuracy

AMJC Wadoux, GBM Heuvelink, S De Bruin… - Ecological Modelling, 2021 - Elsevier
For decades scientists have produced maps of biological, ecological and environmental
variables. These studies commonly evaluate the map accuracy through cross-validation with …

Assessing the effects of deforestation and intensive agriculture on the soil quality through digital soil mapping

M Zeraatpisheh, E Bakhshandeh, M Hosseini, SM Alavi - Geoderma, 2020 - Elsevier
This study was designed to evaluate soil quality (SQ) in deforested and intensively cultured
lands in Mazandaran Province, Iran. For this purpose, three soil quality indices (SQIs …

Digital mapping of soil organic matter stocks using Random Forest modeling in a semi-arid steppe ecosystem

M Wiesmeier, F Barthold, B Blank, I Kögel-Knabner - Plant and soil, 2011 - Springer
Spatial prediction of soil organic matter is a global challenge and of particular importance for
regions with intensive land use and where availability of soil data is limited. This study …

Sampling for validation of digital soil maps

DJ Brus, B Kempen… - European Journal of Soil …, 2011 - Wiley Online Library
The increase in digital soil mapping around the world means that appropriate and efficient
sampling strategies are needed for validation. Data used for calibrating a digital soil …

[HTML][HTML] Predictive soil mapping with R

T Hengl, RA MacMillan - OpenGeoHub Foundation: Wageningen …, 2019 - soilmapper.org
In this chapter we review the statistical theory for soil mapping. We focus on models
considered most suitable for practical implementation and use with soil profile data and …

Spatial prediction of major soil properties using Random Forest techniques-A case study in semi-arid tropics of South India

S Dharumarajan, R Hegde, SK Singh - Geoderma Regional, 2017 - Elsevier
The purpose of the study is to map the spatial variation of major soil properties in
Bukkarayasamudrum mandal of Anantapur district, India using Random Forest model. The …

Harmonisation of the soil map of Africa at the continental scale

O Dewitte, A Jones, O Spaargaren… - Geoderma, 2013 - Elsevier
In the context of major global environmental challenges such as food security, climate
change, fresh water scarcity and biodiversity loss, the protection and the sustainable …

Comparing the efficiency of digital and conventional soil mapping to predict soil types in a semi-arid region in Iran

M Zeraatpisheh, S Ayoubi, A Jafari, P Finke - Geomorphology, 2017 - Elsevier
The efficiency of different digital and conventional soil mapping approaches to produce
categorical maps of soil types is determined by cost, sample size, accuracy and the selected …