CHLSOC: The Chilean Soil Organic Carbon database, a multi-institutional collaborative effort

Marco Pfeiffer, Jose Padarian, Rodrigo Osorio, Nelson Bustamante, Guillermo Federico Olmedo, Mario Guevara, Felipe Aburto, Francisco Albornoz, Monica Antilén, Elias Araya, Eduardo Arellano, Maialen Barret, Juan Barrera, Pascal Boeckx, Margarita Briceño, Sally Bunning, Lea Cabrol, Manuel Casanova, Pablo Cornejo, Fabio CorradiniGustavo Curaqueo, Sebastian Doetterl, Paola Duran, Mauricio Escudey, Angelina Espinoza, Samuel Francke, Juan Pablo Fuentes, Marcel Fuentes, Gonzalo Gajardo, Rafael García, Audrey Gallaud, Mauricio Galleguillos, Andres Gomez, Marcela Hidalgo, Jorge Ivelic-Sáez, Lwando Mashalaba, Francisco Matus, Francisco Meza, Maria De La Luz Mora, Jorge Mora, Cristina Muñoz, Pablo Norambuena, Carolina Olivera, Carlos Ovalle, Marcelo Panichini, Cristina Munoz, Jorge F. Pérez-Quezada, Sergio Radic, Jose Ramirez, Nicolas Riveras, German Ruiz, Osvaldo Salazar, Ivan Salgado, Oscar Seguel, Maria Sepúlveda, Carlos Sierra, Yasna Tapia, Francisco Tapia, Balfredo Toledo, Jose Miguel Torrico, Susana Valle, Ronald Vargas, Michael Wolff, Erick Zagal

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

A critical aspect of predicting soil organic carbon (SOC) concentrations is the lack of available soil information; where information on soil characteristics is available, it is usually focused on regions of high agricultural interest. To date, in Chile, a large proportion of the SOC data have been collected in areas of intensive agricultural or forestry use; however, vast areas beyond these forms of land use have few or no soil data available. Here we present a new SOC database for the country, which is the result of an unprecedented national effort under the framework of the Global Soil Partnership. This partnership has helped build the largest database of SOC to date in Chile, named the Chilean Soil Organic Carbon database (CHLSOC), comprising 13&thinsp;612 data points compiled from numerous sources, including unpublished and difficult-to-access data. The database will allow users to fill spatial gaps where no SOC estimates were publicly available previously. Presented values of SOC range from <span classCombining double low line"inline-formula"><math xmlnsCombining double low line"http://www.w3.org/1998/Math/MathML" idCombining double low line"M1" displayCombining double low line"inline" overflowCombining double low line"scroll" dspmathCombining double low line"mathml"><mrow><mn mathvariantCombining double low line"normal">6</mn><mo>×</mo><msup><mn mathvariantCombining double low line"normal">10</mn><mrow><mo>-</mo><mn mathvariantCombining double low line"normal">5</mn></mrow></msup></mrow></math><span><svg:svg xmlns:svgCombining double low line"http://www.w3.org/2000/svg" widthCombining double low line"42pt" heightCombining double low line"13pt" classCombining double low line"svg-formula" dspmathCombining double low line"mathimg" md5hashCombining double low line"b1782066ce81100f36024e7accf0f59d"><svg:image xmlns:xlinkCombining double low line"http://www.w3.org/1999/xlink" xlink:hrefCombining double low line"essd-12-457-2020-ie00001.svg" widthCombining double low line"42pt" heightCombining double low line"13pt" srcCombining double low line"essd-12-457-2020-ie00001.png"/></svg:svg></span></span>&thinsp;% to 83.3&thinsp;%, reflecting the variety of ecosystems that exist in Chile. The database has the potential to inform and test current models that predict SOC stocks and dynamics at larger spatial scales, thus enabling benefits from the richness of geochemical, topographic and climatic variability in Chile. The database is freely available to registered users at <a hrefCombining double low line"https://doi.org/10.17605/OSF.IO/NMYS3">https://doi.org/10.17605/OSF.IO/NMYS3</a> (Pfeiffer et al., 2019b) under the Creative Commons Attribution 4.0 International Public License.

Original languageEnglish
Pages (from-to)457-468
Number of pages12
JournalEarth System Science Data
Volume12
Issue number1
DOIs
StatePublished - 26 Feb 2020
Externally publishedYes

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