<?xml version='1.0' encoding='UTF-8'?><codeBook xmlns="ddi:codebook:2_5" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="ddi:codebook:2_5 https://ddialliance.org/Specification/DDI-Codebook/2.5/XMLSchema/codebook.xsd" version="2.5"><docDscr><citation><titlStmt><titl>Annual mapping of soil organic carbon stock in Brazil 1985-2021 (beta collection). Training field soil data</titl><IDNo agency="DOI">doi:10.60502/SoilData/XDBQ4U</IDNo></titlStmt><distStmt><distrbtr source="archive">SoilData</distrbtr><distDate>2023-08-04</distDate></distStmt><verStmt source="archive"><version date="2024-12-14" type="RELEASED">1</version></verStmt><biblCit>MapBiomas, 2023, "Annual mapping of soil organic carbon stock in Brazil 1985-2021 (beta collection). Training field soil data", https://doi.org/10.60502/SoilData/XDBQ4U, SoilData, V1, UNF:6:LerILOJhFQ0fcYkfZ1YJ5A== [fileUNF]</biblCit></citation></docDscr><stdyDscr><citation><titlStmt><titl>Annual mapping of soil organic carbon stock in Brazil 1985-2021 (beta collection). Training field soil data</titl><IDNo agency="DOI">doi:10.60502/SoilData/XDBQ4U</IDNo></titlStmt><rspStmt><AuthEnty affiliation="MapBiomas">MapBiomas</AuthEnty><othId role="Project Leader">Samuel-Rosa, Alessandro</othId><othId role="Project Leader">Horst, Taciara Zborowski</othId></rspStmt><prodStmt/><distStmt><distrbtr source="archive">SoilData</distrbtr><contact affiliation="MapBiomas" email="contato@mapbiomas.org">MapBiomas</contact><distDate>2023-06-21</distDate><depositr>Samuel-Rosa, Alessandro</depositr><depDate>2023-08-04</depDate></distStmt><holdings URI="https://doi.org/10.60502/SoilData/XDBQ4U"/></citation><stdyInfo><subject><keyword xml:lang="en">Ciências Agrárias</keyword><keyword xml:lang="en">Ciências da Terra e do meio ambiente</keyword><keyword>Pedometrics</keyword><keyword>Digital soil mapping</keyword><keyword>Spacetime modeling</keyword><keyword>Data imputation</keyword></subject><abstract date="2023-06-20">Collection of 9649 points containing field data to the train regression models used to map the soil organic carbon stock in Brazil. The field data includes spatial and temporal coordinates, and the soil organic carbon stock at the point support for up to 30 cm depth.</abstract><abstract date="2023-06-20">&lt;b>Detailed description&lt;/b>. The source data was obtained from the Brazilian soil data repository SoilData (&lt;a href="https://soildata.mapbiomas.org">https://soildata.mapbiomas.org&lt;/a>). A sum of 9649 data points coming from multiple datasets published before 2021 was processed. The training field data includes spatial and temporal coordinates, and the soil organic carbon stock at the point support for up to 30 cm depth. The code used to process the data is available at &lt;a href="https://github.com/Laboratorio-de-Pedometria/mapbiomas-solo">https://github.com/Laboratorio-de-Pedometria/mapbiomas-solo&lt;/a>.</abstract><sumDscr><timePrd cycle="P1" event="start" date="1957">1957</timePrd><timePrd cycle="P1" event="end" date="2018">2018</timePrd><collDate cycle="P1" event="start" date="1957">1957</collDate><collDate cycle="P1" event="end" date="2018">2018</collDate><dataKind>survey data</dataKind><nation>Brazil</nation><geogUnit>Country</geogUnit></sumDscr></stdyInfo><method><dataColl><sources/></dataColl><anlyInfo/></method><dataAccs><setAvail/><useStmt/></dataAccs><othrStdyMat/></stdyDscr><fileDscr ID="f298" URI="http://soildata.mapbiomas.org/api/access/datafile/298"><fileTxt><fileName>trainning-field-soil-data-brazil.tab</fileName><dimensns><caseQnty>9649</caseQnty><varQnty>5</varQnty></dimensns><fileType>text/tab-separated-values</fileType></fileTxt><notes level="file" type="VDC:UNF" subject="Universal Numeric Fingerprint">UNF:6:LerILOJhFQ0fcYkfZ1YJ5A==</notes></fileDscr><dataDscr><var ID="v304" name="id" intrvl="discrete"><location fileid="f298"/><labl level="variable">id</labl><varFormat type="character"/><notes subject="Universal Numeric Fingerprint" level="variable" type="Dataverse:UNF">UNF:6:1dcFZ5DmUk5wbUai8TA7Og==</notes></var><var ID="v306" name="cos_estoque_gm2" intrvl="discrete"><location fileid="f298"/><labl level="variable">cos_estoque_gm2</labl><sumStat type="vald">9649.0</sumStat><sumStat type="max">105656.0</sumStat><sumStat type="mean">4249.687014198338</sumStat><sumStat type="min">74.0</sumStat><sumStat type="medn">3444.0</sumStat><sumStat type="invd">0.0</sumStat><sumStat type="stdev">4757.535497680476</sumStat><sumStat type="mode">.</sumStat><varFormat type="numeric"/><notes subject="Universal Numeric Fingerprint" level="variable" type="Dataverse:UNF">UNF:6:HqLd8yOrJJHUMMwUe85Nmg==</notes></var><var ID="v307" name="data_coleta_ano" intrvl="discrete"><location fileid="f298"/><labl level="variable">data_coleta_ano</labl><sumStat type="invd">0.0</sumStat><sumStat type="mean">1984.7829826925063</sumStat><sumStat type="vald">9649.0</sumStat><sumStat type="stdev">16.738531523959256</sumStat><sumStat type="medn">1987.0</sumStat><sumStat type="min">1948.0</sumStat><sumStat type="max">2018.0</sumStat><sumStat type="mode">.</sumStat><varFormat type="numeric"/><notes subject="Universal Numeric Fingerprint" level="variable" type="Dataverse:UNF">UNF:6:GNSDgL0n4dc4rKIYxRHeSQ==</notes></var><var ID="v305" name="coord_x" intrvl="contin"><location fileid="f298"/><labl level="variable">coord_x</labl><sumStat type="medn">-53.800361</sumStat><sumStat type="min">-73.78333</sumStat><sumStat type="vald">9649.0</sumStat><sumStat type="stdev">9.221963559114139</sumStat><sumStat type="invd">0.0</sumStat><sumStat type="mode">.</sumStat><sumStat type="max">-34.82869611</sumStat><sumStat type="mean">-53.46104014680263</sumStat><varFormat type="numeric"/><notes subject="Universal Numeric Fingerprint" level="variable" type="Dataverse:UNF">UNF:6:pX72ga63QMkU06gRwCaVVw==</notes></var><var ID="v303" name="coord_y" intrvl="contin"><location fileid="f298"/><labl level="variable">coord_y</labl><sumStat type="medn">-12.18694444</sumStat><sumStat type="mode">.</sumStat><sumStat type="invd">0.0</sumStat><sumStat type="vald">9649.0</sumStat><sumStat type="min">-33.55901</sumStat><sumStat type="mean">-14.401766374191457</sumStat><sumStat type="stdev">8.21145392292275</sumStat><sumStat type="max">4.633333</sumStat><varFormat type="numeric"/><notes subject="Universal Numeric Fingerprint" level="variable" type="Dataverse:UNF">UNF:6:u2xDnEvoSlorB0yTRHcwxg==</notes></var></dataDscr></codeBook>