Update and expansion of the soil and landscape grid of Australia

IF 5.6 1区农林科学 Q1 SOIL SCIENCE

Geoderma Pub Date : 2025-03-01 DOI:10.1016/j.geoderma.2025.117226

Brendan P. Malone , Ross Searle , Matthew Stenson , David McJannet , Peter Zund , Mercedes Román Dobarco , Alexandre M.J.-C. Wadoux , Budiman Minasny , Alex McBratney , Mike Grundy

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Abstract

The Soil and Landscape Grid of Australia (SLGA) has been significantly updated and expanded. The initial version, released in 2015, provided the first continental-scale characterization of soil resources adhering to GlobalSoilMap specifications. It featured digital maps for 11 key soil attributes (including bulk density, organic carbon, soil texture, pH, available water capacity, total nitrogen, total phosphorus, effective cation exchange capacity, and soil thickness) at a 90 m × 90 m spatial resolution and served as a widely accessed national resource with substantial global influence.

The updated version, developed between 2018 and 2023, includes enhancements to the original 11 soil attributes and introduces 13 additional products. These additions improve the representation of key soil characteristics, such as soil carbon composition, soil microbial distribution, and soil moisture fluxes, contributing to a more comprehensive understanding of Australia’s soil and landscape resources.

The updated data and methodologies offer a robust foundation for developing a national soil monitoring program and other applications. The advancements in the SLGA and its associated data systems are detailed, and all products are freely available for public use.

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来源期刊

Geoderma 农林科学-土壤科学

CiteScore

11.80

自引率

6.60%

发文量

597

审稿时长

58 days

期刊介绍： Geoderma - the global journal of soil science - welcomes authors, readers and soil research from all parts of the world, encourages worldwide soil studies, and embraces all aspects of soil science and its associated pedagogy. The journal particularly welcomes interdisciplinary work focusing on dynamic soil processes and functions across space and time.