[{"name":"hallberg-2022-sumatra-3","title":"Lipid biomarker glycerol dialkyl glycerol tetraether (GDGT) distributions from soils, peats and lake sediments on Sumatra","summary":"This dataset contains glycerol dialkyl glycerol tetraether (GDGT) distributions from a soil transect, two peat cores and a short lake core on West Sumatra. We report the peak areas for isoprenoid-GDGTs, branched-GDGTs and H-GDGTs, allowing GDGT indexes to be calculated by the user.\r\n\r\nGDGT data can be used as paleothermometry and paleoenvironmental proxies, and we use the data to reconstruct the Holocene temperature evolution and local environmental conditions on Sumatra over the Holocene.\r\n\r\nThe data was generated by high performance liquid chromatography and mass spectrometry (HPLC-MS) measurements of polar lipid extracts. The soils are from an altitudinal transect 0\u2060\u200a\u2013\u200a\u20602840 m elevation range, while lake and peat core sediments are of ages up to 11000 years, i.e., almost the entire Holocene.\r\n","citations":"Petter L. H\u00e4llberg, Frederik Schenk, Guillermo Jarne-Bueno, Yolanda Schankat, Qiong Zhang, Hamdi Rifai, Marcus Phua, Rienk H. Smittenberg, Branched GDGT source shift identification allows improved reconstruction of an 8,000-year warming trend on Sumatra, Organic Geochemistry, Volume 186, 2023, 104702, ISSN 0146-6380, https:\/\/doi.org\/10.1016\/j.orggeochem.2023.104702","comments":"Petter H\u00e4llberg generated the Diatas and Singgalang data and curated all other data. Guillermo Jarne Bueno generated the Padang data and Yolanda Schankat generated the lake Maninjau data. Julia Steinbach assisted with the analyses. Hamdi Rifai and Caroline Bouvet de la Maisonneuve were responsible for the collection of the Diatas, Padang and Maninjau samples and aided in obtaining the Singgalang samples. [Rienk H. Smittenberg](mailto:smittenberg@gmail.com) provided funding and led the project and he is also an alternative contact person.\r\n\r\n\r\n#### Version history\r\n\r\n##### Version 3\r\nSeparated H1020ab into the respective peaks H1020a and H1020b following updated peak integrations. Corrected a typo in the Padang coordinate.\r\n\r\n##### Version 2\r\nSite coordinates added and updated some H-1034 values following peak integration corrections.\r\n\r\n##### Version 1\r\nInitial release.","category":"Terrestrial","subcategory":"Geochemistry","keywords":"brGDGTs; isoGDGTs; GDGT; H-GDGTs; Temperature reconstruction; Holocene; Proxy; Biomarkers; Lipids","scientist":"Petter H\u00e4llberg, Guillermo Jarne Bueno, Yolanda Schankat, Julia Steinbach, Hamdi Rifai, Caroline Bouvet de la Maisonneuve, Rienk H. Smittenberg ","firstname":"Petter","lastname":"H\u00e4llberg","address":"Department of Geological Sciences; Stockholm University\r\n ","postalcode":"SE-106 91","city":"Stockholm","province":"","country":"Sweden","parameters":"Earth science > Atmosphere > Atmospheric temperature > Atmospheric temperature indices","location":"Ocean > Indian Ocean > Indonesia > Sumatra","progress":"Completed","language":"English","project":"The data were generated as part of project 2017-04430  funded by the Swedish Research Council (VR) to Rienk Smittenberg","publisher":"Bolin Centre Database","version":"3","constrains":"","access":""}]