Data and Map Portal

AfSIS Sentinel Landscapes

The map above shows the locations of the 60 AfSIS sentinel landscapes surveyed during the project's first phase. Multiple soil samples are being collected at 160 plots within each landscape. Click here to view full map and other spatial data using the AfSIS interactive map tool.

Field Data Collection

AfSIS is undertaking a number of new ground data collection efforts.

In combination with remote sensing and legacy soil profile data, these extensive field campaigns are providing critical new baseline data for continent-wide soil property maps and targeted soil-based field management recommendations.

Remote Sensing Overview

Remote sensing imagery, in combination with ground-based observations and measurements, are among the main inputs used to produce digital soil maps. Many soil properties are determined by variables such as terrain and land cover, which can be measured using remote sensing technology on a large scale at increasingly high resolution.

Databases

A number of databases have been developed and extended to support the new data collection efforts, new techniques in laboratory analysis, and continent-wide digital soil mapping undertaken by AfSIS. Where feasible these databases are being developing in compliance with, or will be mapped to, rapidly developing international standards for the exchange of soil data.

Digital Soil Mapping

Digital soil mapping is the creation of spatial soil information systems using field and laboratory methods coupled with spatial and non-spatial soil inference systems (Lagacherie, McBratney and Voltz, 2006). AfSIS is producing digital soil maps using legacy data (e.g. from the existing ISRIC-WISE and SOTER databases as well as the new legacy data collection Africa Soil Profiles Database (version 1.0 now available).

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