Digital soil mapping algorithms and covariates for soil organic carbon mapping and their implications: A review

S Lamichhane, L Kumar, B Wilson - Geoderma, 2019 - Elsevier
This article reviews the current research and applications of various digital soil mapping
(DSM) techniques used to map Soil Organic Carbon (SOC) concentration and stocks …

Agricultural land suitability analysis: State-of-the-art and outlooks for integration of climate change analysis

K Akpoti, AT Kabo-bah, SJ Zwart - Agricultural systems, 2019 - Elsevier
Agricultural land suitability analysis (ALSA) for crop production is one of the key tools for
ensuring sustainable agriculture and for attaining the current global food security goal in line …

Global predictions of primary soil salinization under changing climate in the 21st century

A Hassani, A Azapagic, N Shokri - Nature communications, 2021 - nature.com
Soil salinization has become one of the major environmental and socioeconomic issues
globally and this is expected to be exacerbated further with projected climatic change …

[HTML][HTML] Mapping high resolution national soil information grids of China

F Liu, H Wu, Y Zhao, D Li, JL Yang, X Song, Z Shi… - Science Bulletin, 2022 - Elsevier
Soil spatial information has traditionally been presented as polygon maps at coarse scales.
Solving global and local issues, including food security, water regulation, land degradation …

An unexpectedly large count of trees in the West African Sahara and Sahel

M Brandt, CJ Tucker, A Kariryaa, K Rasmussen, C Abel… - Nature, 2020 - nature.com
A large proportion of dryland trees and shrubs (hereafter referred to collectively as trees)
grow in isolation, without canopy closure. These non-forest trees have a crucial role in …

Predicting long-term dynamics of soil salinity and sodicity on a global scale

A Hassani, A Azapagic… - Proceedings of the …, 2020 - National Acad Sciences
Knowledge of spatiotemporal distribution and likelihood of (re) occurrence of salt-affected
soils is crucial to our understanding of land degradation and for planning effective …

[HTML][HTML] Random forest as a generic framework for predictive modeling of spatial and spatio-temporal variables

T Hengl, M Nussbaum, MN Wright, GBM Heuvelink… - PeerJ, 2018 - peerj.com
Random forest and similar Machine Learning techniques are already used to generate
spatial predictions, but spatial location of points (geography) is often ignored in the modeling …

Selecting appropriate machine learning methods for digital soil mapping

Y Khaledian, BA Miller - Applied Mathematical Modelling, 2020 - Elsevier
Digital soil mapping (DSM) increasingly makes use of machine learning algorithms to
identify relationships between soil properties and multiple covariates that can be detected …

Modelling and mapping soil organic carbon stocks in Brazil

LC Gomes, RM Faria, E de Souza, GV Veloso… - Geoderma, 2019 - Elsevier
Brazil has extensive forests and savannas on deep weathered soils and plays a key role in
the discussions about carbon sequestration, but the distribution of soil organic carbon (SOC) …

SoilGrids250m: Global gridded soil information based on machine learning

T Hengl, J Mendes de Jesus, GBM Heuvelink… - PLoS one, 2017 - journals.plos.org
This paper describes the technical development and accuracy assessment of the most
recent and improved version of the SoilGrids system at 250m resolution (June 2016 update) …