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  • 2015-2019  (31)
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  • 11
    Publication Date: 2019-02-25
    Description: Permafrost peatlands are biogeochemical hot spots in the Arctic as they store vast amounts of carbon. Permafrost thaw could release part of these long‐term immobile carbon stocks as the greenhouse gases (GHGs) carbon dioxide (CO2) and methane (CH4) to the atmosphere, but how much, at which time‐span and as which gaseous carbon species is still highly uncertain. Here we assess the effect of permafrost thaw on GHG dynamics under different moisture and vegetation scenarios in a permafrost peatland. A novel experimental approach using intact plant–soil systems (mesocosms) allowed us to simulate permafrost thaw under near‐natural conditions. We monitored GHG flux dynamics via high‐resolution flow‐through gas measurements, combined with detailed monitoring of soil GHG concentration dynamics, yielding insights into GHG production and consumption potential of individual soil layers. Thawing the upper 10–15 cm of permafrost under dry conditions increased CO2 emissions to the atmosphere (without vegetation: 0.74 ± 0.49 vs. 0.84 ± 0.60 g CO2–C m−2 day−1; with vegetation: 1.20 ± 0.50 vs. 1.32 ± 0.60 g CO2–C m−2 day−1, mean ± SD, pre‐ and post‐thaw, respectively). Radiocarbon dating (14C) of respired CO2, supported by an independent curve‐fitting approach, showed a clear contribution (9%–27%) of old carbon to this enhanced post‐thaw CO2 flux. Elevated concentrations of CO2, CH4, and dissolved organic carbon at depth indicated not just pulse emissions during the thawing process, but sustained decomposition and GHG production from thawed permafrost. Oxidation of CH4 in the peat column, however, prevented CH4 release to the atmosphere. Importantly, we show here that, under dry conditions, peatlands strengthen the permafrost–carbon feedback by adding to the atmospheric CO2 burden post‐thaw. However, as long as the water table remains low, our results reveal a strong CH4 sink capacity in these types of Arctic ecosystems pre‐ and post‐thaw, with the potential to compensate part of the permafrost CO2 losses over longer timescales.
    Print ISSN: 1354-1013
    Electronic ISSN: 1365-2486
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering , Geography
    Published by Wiley
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  • 12
    Publication Date: 2019-07-20
    Description: Glacialinterglacial variations in CO2 (exp) and methane in polar ice cores have been attributed, in part, to changes in global wetland extent, but the wetland distribution before the Last Glacial Maximum (LGM, 21 ka to 18 ka) remains virtually unknown. We present a study of global peatland extent and carbon (C) stocks through the last glacial cycle (130 ka to present) using a newly compiled database of 1,063 detailed stratigraphic records of peat deposits buried by mineral sediments, as well as a global peatland model. Quantitative agreement between modeling and observations shows extensive peat accumulation before the LGM in northern latitudes (〉40N), particularly during warmer periods including the last interglacial (130 ka to 116 ka, MIS 5e) and the interstadial (57 ka to 29 ka, MIS 3). During cooling periods of glacial advance and permafrost formation, the burial of northern peatlands by glaciers and mineral sediments decreased active peatland extent, thickness, and modeled C stocks by 70 to 90% from warmer times. Tropical peatland extent and C stocks show little temporal variation throughout the study period. While the increased burial of northern peats was correlated with cooling periods, the burial of tropical peat was predominately driven by changes in sea level and regional hydrology. Peat burial by mineral sediments represents a mechanism for long-term terrestrial C storage in the Earth system. These results show that northern peatlands accumulate significant C stocks during warmer times, indicating their potential for C sequestration during the warming Anthropocene.
    Keywords: Meteorology and Climatology
    Type: GSFC-E-DAA-TN66093 , Proceedings of the National Academy of Sciences; 116; 11; 4822-4827
    Format: application/pdf
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  • 13
    Publication Date: 2022-01-31
    Description: Significance During the Holocene (11,600 y ago to present), northern peatlands accumulated significant C stocks over millennia. However, virtually nothing is known about peatlands that are no longer in the landscape, including ones formed prior to the Holocene: Where were they, when did they form, and why did they disappear? We used records of peatlands buried by mineral sediments for a reconstruction of peat-forming wetlands for the past 130,000 y. Northern peatlands expanded across high latitudes during warm periods and were buried during periods of glacial advance in northern latitudes. Thus, peat accumulation and burial represent a key long-term C storage mechanism in the Earth system. Abstract Glacial−interglacial variations in CO2 and methane in polar ice cores have been attributed, in part, to changes in global wetland extent, but the wetland distribution before the Last Glacial Maximum (LGM, 21 ka to 18 ka) remains virtually unknown. We present a study of global peatland extent and carbon (C) stocks through the last glacial cycle (130 ka to present) using a newly compiled database of 1,063 detailed stratigraphic records of peat deposits buried by mineral sediments, as well as a global peatland model. Quantitative agreement between modeling and observations shows extensive peat accumulation before the LGM in northern latitudes (〉40°N), particularly during warmer periods including the last interglacial (130 ka to 116 ka, MIS 5e) and the interstadial (57 ka to 29 ka, MIS 3). During cooling periods of glacial advance and permafrost formation, the burial of northern peatlands by glaciers and mineral sediments decreased active peatland extent, thickness, and modeled C stocks by 70 to 90% from warmer times. Tropical peatland extent and C stocks show little temporal variation throughout the study period. While the increased burial of northern peats was correlated with cooling periods, the burial of tropical peat was predominately driven by changes in sea level and regional hydrology. Peat burial by mineral sediments represents a mechanism for long-term terrestrial C storage in the Earth system. These results show that northern peatlands accumulate significant C stocks during warmer times, indicating their potential for C sequestration during the warming Anthropocene.
    Type: Article , PeerReviewed
    Format: text
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  • 14
    Publication Date: 2023-03-16
    Keywords: AWI_Paleo; Paleoenvironmental Reconstructions from Marine Sediments @ AWI
    Type: Dataset
    Format: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, 291.3 kBytes
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  • 15
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    Unknown
    PANGAEA
    In:  Supplement to: Treat, Claire C; Bloom, A Anthony; Marushchak, Maija E (2018): Non-growing season methane emissions - a significant component of annual emissions across northern ecosystems. Global Change Biology, 24(8), 3331-3343, https://doi.org/10.1111/gcb.14137
    Publication Date: 2023-01-13
    Description: Wetlands are the single largest natural source of atmospheric methane (CH4), a greenhouse gas, and occur extensively in the northern hemisphere. Large discrepancies remain between bottom-up and top-down estimates of northern CH4 emissions. To explore whether these discrepancies are due to poor representation of non-growing season CH4 emissions, we synthesized non-growing season and annual CH4 flux measurements from temperate, boreal, and tundra wetlands and uplands. Median non-growing season wetland emissions ranged from 0.9 g m-2 in bogs to 5.2 g m-2 in marshes and were dependent on moisture, vegetation, and permafrost. Annual wetland emissions ranged from 0.9 g m-2 y-1 in tundra bogs to 78 g m-2 y-1 in temperate marshes. Uplands varied from CH4 sinks to CH4 sources with a median annual flux of 0.0 ± 0.2 g m-2 y-1. The measured fraction of annual CH4 emissions during the non-growing season (observed: 13 to 47%) was significantly larger than was predicted by two process-based model ensembles, especially between 40-60º N (modeled: 4 to 17%). Constraining the model ensembles with the measured non-growing fraction increased total non-growing season and annual CH4 emissions. Using this constraint, the modeled non-growing season wetland CH4 flux from 〉40° north was 6.1 ± 1.5 Tg y-1, three times greater than the non-growing season emissions of the unconstrained model ensemble. The annual wetland CH4 flux was 37 ± 7 Tg y-1 from the data-constrained model ensemble, 25% larger than the unconstrained ensemble. Considering non-growing season processes is critical for accurately estimating CH4 emissions from high latitude ecosystems, and necessary for constraining the role of wetland emissions in a warming climate. This dataset contains the synthesis of measured flux data from the study.
    Type: Dataset
    Format: application/zip, 73.6 kBytes
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  • 16
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    PANGAEA
    In:  Supplement to: Treat, Claire C; Kleinen, Thomas; Broothaerts, Nils; Dalton, April S; Dommain, René; Douglas, Thomas A; Drexler, Judith; Finkelstein, Sarah A; Grosse, Guido; Hope, Geoffrey; Hutchings, Jack A; Jones, Miriam C; Kuhry, Peter; Lacourse, Terri; Lähteenoja, Outi; Loisel, Julie; Notebaert, Bastiaan; Payne, Richard J; Peteet, Dorothy M; Sannel, A Britta K; Stelling, Jonathan; Strauss, Jens; Swindles, Graeme T; Talbot, Julie; Tarnocai, Charles; Verstraeten, Gert; Williams, Christopher J; Xia, Zhengyu; Yu, Zicheng; Väliranta, Minna; Hättestrand, Martina; Alexanderson, Helena; Brovkin, Victor (2019): Widespread global peatland establishment and persistence over the last 130,000 y. Proceedings of the National Academy of Sciences, https://doi.org/10.1073/pnas.1813305116
    Publication Date: 2023-01-13
    Description: We present the first synthesis of global peatland extent through the last glacial cycle (130 ka) based on 〉975 detailed stratigraphic descriptions from exposures, soil pits, and sediment cores. Buried peats are defined as organic-rich sediments overlain by mineral sediments. Also included are deposits rich in wetland macrofossils indicated a local peatland environment. The dataset includes location (lat/long), chronologic information (when available), a description of the buried peat sediment, overlying and underlying sediments, whether geochemical information is available, and the original references.
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 17
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    Unknown
    PANGAEA
    In:  Supplement to: Brosius, Laura Susan; Walter Anthony, Katey M; Treat, Claire C; Lenz, Josefine; Jones, Miriam C; Grosse, Guido (2021): Spatiotemporal patterns of northern lake formation since the Last Glacial Maximum. Quaternary Science Reviews, 253, 106773, https://doi.org/10.1016/j.quascirev.2020.106773
    Publication Date: 2023-07-01
    Description: This dataset is a compilation of 1,207 lake basal ages used to identify spatial and temporal patterns of lake formation across the high northern latitudes. Data was gathered from scientific literature descriptions of lake cores, peat cores underlain by lake sediments, and exposures within the domain of glaciation and permafrost extent during the Last Glacial Maximum. We distinguished eight classes of lake origin. Where not indicated by the author, we sought to determine lake origin from lithology, geological history and site descriptions within the text. Though most records (95%) were radiocarbon dated, we included robust dates obtained by a variety of methods including varve counting, photoluminescence, Pb/Cs, Th/U, wiggle matching and tephrochronology. We reported oldest sample ages in the majority of cases, electing not to utilize basal ages derived from age-depth models extrapolated beyond dated levels due to both their high level of uncertainty and differences between methodologies used to construct each model. We excluded dates from shallow lake cores that clearly did not reach basal lake sediments, or that were collected for the sole purpose of methods development or recent human impact studies. Records that did not include dates from lower-most cored sediments, that suffered from uncorrected reservoir effects (noted by original author) or that contained copious age reversals were also excluded. Some records provided distinct stratigraphic evidence of lake formation that allowed for exact determination of lake basal age, while other lithologies were more ambiguous. To address this uncertainty, we categorized each lake age as "minimum" or "basal" based on interpretation of contextual, geographical and lithological information.
    Type: Dataset
    Format: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, 313.2 kBytes
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  • 18
    Publication Date: 2023-08-16
    Keywords: 11O; 1202; 1453; 15A; 260; 277; 2M; 300; 361; 398; 4_RN; Aakkenustunturi; Aaknes; ABI; Abisko; Abisko, Lappland, northern Sweden; Aflon; Afognak; Africa; Agardalen_Elfenbeibreen_glacier; Age, dated; Age, dated material; Age, dated standard error; Agerod; Agparsuit; Ahakagyezi_Swamp; Ahvenlampi; Aion-4estuary_of_Chaun; Air chemistry observatory; Aishihik_Lake; Aitkin; Akali; Ake_Bat; Alaganik; Alaska, USA; Alaska-Toolik; Albany_Forks; Albany_R; Albany_R-8501; Alberta; Alberta, Canada; Alderdale; Aleksandrovskoe; Aliwal_North; Alsmyren; Altevatn; Altin; Alton_PA-16; AmeryOasis2001/2002; Amot; Anadyr; Anadyrskiy Gulf; Anaktuvik_Pass; Anchor_Point_Trail; Andoya; Anin_Island; Antarctica; Antinlammensuo; Apurinneva; Arangatui; Aravete; Archangelsk_City; Arctic Ocean; Argaunat_Hil_Bog; Argentina; Arosuo; Arrowsmith_River; Arstadmirene; Ashville; Asmyra; Atka_Island; Attawapiskat_River; Aucayacu; Aura; auxiliary station; Avalon; AWI Arctic Land Expedition; Ayat; Ayon; BACHI; Baffin_Island; Baffin Bay; Bagotville_Bog; Baidaratskaya; Baie; Baliem_Valley; Ballast_Brook; Ballycroy_Bog; Baltic Sea; Balyktakh; Banks Island, Canadian Arctic Archipelago; Baram_River; Barambai,; Barents Sea; Bario; Barrow; Bastuberg; Batang_Hari; Batulicin; Bay of Fundy; BB1; BC; Bear_Cove_Bog; Bear_Creek; Bear_Valley; Beaufort Sea; Beauval; Beaver_Lake; Beaver_River; Bederbo-Tarida; Bekkelaegret; Belanske_Luky; Belec_L_Int_8507; Belec_L_Int_9210; Belek_Sesi_Cheepay; Beloye; Benacadie_Point; Benfontein; Bengkalis_Island; Berbak_National_Park; Berendon_Fen; Bering_Lake; Bering Sea; Bezdonnoe; Big_John; Big_Slide_Creek; Big_Swamp; Billings_Cape; Bingha_BG-1; Biological sample; BIOS; Birthday_River; Bismarck Sea; Bitil_Pampa; Bjuralvsmossen; Black_Gum_Swamp; Black_Lake; Black_River; Blackbear-8508A; Blairmore; Blamyrho; Blanc-Sablon; Bleik; Blenkisop_Lake; Blidenes_Kurzeme; Blomidon_Site; Blue_Lake; Blydefontein; Boganida-14; Bois-des-Bel; Bol_Kuropatochiya; Bol_Liakhovskiy_Island; Bol_Routan_Island; Bolshaya_Lagorta; Bolsho_Mokh; Bolvanski_Mys; Bondzale; Bonfield_Gill_Head; Boniface_river; Bonne_Bay; Boothia_Peninsula; BOR; Borer; Bottinintnin_Lake; Box corer; Bradshaw; Brewster_Creek; Bridge_Glacier_Bog; Brondmyra; Brooks_River; Brookside; Buena_Vista; Buevannet; Buffalo_Narrows; BurinPeninsula; Buskerud; Bussehund; Bussesund; Bylot_Island; Cabin_Creek; CA-Land_2013_YukonCoast; Caldwell_Lake; Calendar age; Calendar age, maximum/old; Calendar age, minimum/young; Caleta_Robalo; California_Gulch; Calumet; Campbell; Canada; Canadian Arctic; Cape_Ball; Cape_Hangklip; Cape_Henrietta_Maria; Cape_Kiberia; Cape_Nares; Cape_Shpindler; Caribbean Sea; Caribou_Bog; Caribou_Lake; Caribou_Mts; Caribu_River; Carling_L-site; Carswell_Lake; Cartwright; Cayambre-Coca; CC-14; CC-18; CC-19; CC-2; CC-22; CC-27; CC-36; CC-39; CC-40; CC-41; CC-42; CC-44; CC-49; CC-50; CC-51; CC-54; CC-57; CC-62; CC-7; CC-76; CC-80; CC-82; CC-85; CC-90; CC-P; Cedar_Swano; Central-West-Greenland; Cerna_Hora; Chacaltaya; Chaginskoe_Mire; Chalk_River; Changuinola; Chapman_Lake; Charlevoix; Charo; Chase; Chasebrook; Chatsworth_Bog; Chekurovka; Cheremushka; Chernyii_Yar; Cherryfield; Cherya_Gorka; Chester_LN-1; Chilkoot_Pond; Chin_Lake; CHISTIC; Chistic, Russia; Chivyrkiu; Chudesnoe; Chuk_10; Chuk226; Chukchi Sea; Churchill; Churchill_Falls; Chydesnoe; Ciega; Cioetwon_bog; Clarenville; Clearwater_Bog; Clearwater_Lake; Clover_Pond; Cluff_Lake; Coal_Creek; Coastal_fen_site; Coastal waters of SE Alaska; Cobweb_Swamp; Cochrane; Codeville_WA-6; Collier_Gill; Collins_Pond; Colville_Lake; Comment; Comment 2 (continued); Comment 3 (continued); Compassberg; Coppermine; Coral Sea; Cordillera_Pelada; Core; CORE; Core1; Core2; Corkery_Creek; Cornelia; Corporon; Cotapampa; Coulson_Township; Courtenay; Covey_Hill; Covey_Hill_core1; Cowichan_Lake; Craigrossie; Creek_Cypres_Bog; Cresswell_River; Crimson_lake; Cropley_Lake; Cumbre_Unduavi; Dags_Mosse; Dahadinni_River; Dalnie_Zelentsy; Dalsvatnmyr; Danka_Valley_Bo; Dartmouth_Bight; Davis Strait; De_Borchert; Deelpan; Deggemyra; Dempster_Highway; Denali_Highway; Denslow_Lake_moraine; DEPTH, sediment/rock; DERPUT; Derput, Russia; Deschambault_Lake; Diamond_Creek_Trail; Diana_Lake_Bog; Dionisiya; Djupvika; Docksmyren; Dome_Creek_Meadow; Doting_Gove; Douglas_Island; Drainage_Lake; Dredge; Dresvianka-Pechiora_inlet; DRG; Driehoek; DRILL; Drilling/drill rig; Drizzle_Pit_Bog; Dry_Lamba_Kivach; Duguldzera; Dulikha; Dunedin; DUVAN; Duvanny_Yar_2009; Duvanny Yar Alas; Dyanushka K7P2; Dzelves; Dzhangskyol_Fen; E101; E102; E103; E104; E105; E106; E107; E108; E109; E110; E111; E112; E113; E114; E115; E116; E117; E118; E119; E120; E121; Eagle_Creek; Eagle_River; Eaglecrest_Bog; East_Baltic; East_Biddeford; Eastern_Graham; East Siberian Sea; Eipurs; Ekolongouma; Eleutak; Ellerslie; EllisBog; Emo; Engbertsdijksven; Engerdal; Enggelam; Ennadai_Lake; Escape_River; Eskimo_Lakes; Esmeralda; Espanola_West_Bog; Event label; Exmouth_Lake; Falkefjeldet; Fallison; Farnham_Bog; Farrent_Island; Fildes Peninsula, King George Island; Finger_Glacier; Finland; Fire_Island; Fish_Lake_2; Flatrumyren; Fletcher_Lake; Fokstumyrin; Folley_Lake; Fongen; Footprint_Lake; Fort_Chimo; Fort_Good_Hope; Fosheim; Fourth-of-July_Creek; Fox_Lake_2; FRON; Fuglefjellet; Funasmyren; Funny_River_Rd; FW; g0181; g0221; Gakona_River; Galt; Gardsendi; Garry_Island; Gates_Bog; Gatun_Lake_Area; Gauya_River; Geike_Bog; Generc_River; Georgian_Bay; Germansen; GGU215942; Gill_Lake; Gipka; Gitanga; Glacier_Bay; Glacier_Creek; Glacier_Highway; Gleason_Bog; Glenancross; Glenholme; Global_change_camp; Global River Discharge; GLUKHOYE; Glukhoye Lake; GN11-C4; Goldeye_core1; Goldeye_Fen; Goodsir_Inlet; Goose_Creek; Goose_River; Gorelovo; Gornostalya; Gotlandsfloen; Grand_Beach; Grand_Plateau; Grand_Rapids; Grande_Cache; Grand River, Michigan, U.S.A., North America; Grant_Lake; Granunes; Grays_Lake; Great_Bear; Green_River; Green, Utah, U.S.A., North America; Grindstone_Island; Guldtvedt; Gulf of Alaska; Gulf of Bothnia; Gulf of Finland; Gulf of Mexico; Gulf of Riga; Gulf of St. Lawrence; Gulf of Tartary; GUR; Gurgaon; Guyer_Lake; Gypsumville; Haapalahti; Haapasuo; Haberton; Hadseloya; Haikassuo; Halnelaegeret; Halvykenmyren; Hammarmossen; HAND; Hand (plastic-shovel); Hangassuo; Hara; Harmanger; Harp_Mountain; Harricana_moraine; Harricana_River; Harris_Creek; Hattuvaara; Hawaii; Hawaiian Islands, North Central Pacific; Hawley_Lake; Hawly_Lake; HE2013_Polygonfield; Headquarters_Lake; Helmken_Park; Henvalsmyren; HER; Herchmer; Hermon_BA-8; Herschel_Island; Herschel Island, Yukon Territory, Canada; Hershey_SH-2; Hershop_Bog; Hestaa; Hiilisuo_Prionega; Hjortronmossen; HL02; HL02_core1; HL03; HL04; Holmfjeldnet; Holt_Lamplight_Rd; Homer_Spit; Hongyan; Hook_Lake_Bog; Hordaland; Horn_Lake; Horn_Plateau; Hornafjordur; Hornsund; Horton_River; Howardss_Pass; Howland_PA-9; HPS; Hub; Hudson Bay; Hudson Bay Lowlands, Canada; Hudson Strait; Hungry_Creek; Hunker_Creek; Hunter_Creek; Hurricane_Basin; Hurrinsuo; Hverholl; I-96; IB_wetland; Iceland Sea; Idglolorssuit; Igarka_Peat_exposure; Ile_du_Havre_aux_Maisons; Ilmakkiselka; IMATU; Imatu Mire, Estonia; incl. 16 pond locations; India; Indian Ocean; Innoko; In situ sampler; Interior_fen_site; International Polar Year 1881-1884; Inuvik; Inyanga; Iosegun_River; IPY-1; Iringa; Iris_Station; Isfiordflya_S-6a-74; Island_Alexandra; Isokarret; Isosuo; ISS; Ita; Itanga; Ittlemit_Lake; Ivanovsko; Ivirua; Ivitaruk; Ivsugissok; Jaab_L_site; Janakkala; Japan Sea; JBL1; JBL1_core1; JBL2; JBL2_core1; JBL3; JBL3_core1; JBL4; JBL4_core1; JBL5; JBL5_core1; JBL7; JBL7_core1; JBL8; JBL8_core1; Jefferson_County; Jesmond_Bog; Jiji; Joey_Lake; Johnson_Lake; Johnson_River; Johvikasoo; Joint Arctic Weather Stations; Judique; Jukolansuo; Julysuo_Kalevala; Juodonys; Jurmunaapa; Jyvaskyla; K7P2; Kaikkarsuo; Kairanaapa; Kaisungor_Swamp; Kakarinlammensuo; Kakkupalsa; Kalimantan; Kalina; KALSA; Kalsa Mire, Estonia; Kamiranzovu; Kamishak_Bat; Kangerdluarssuk;
    Type: Dataset
    Format: text/tab-separated-values, 59134 data points
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  • 19
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    PANGAEA
    In:  Supplement to: Treat, Claire C; Jones, Miriam C; Brosius, Laura Susan; Grosse, Guido; Walter Anthony, Katey M (in prep.): High latitude lake and wetland methane emissions lag abrupt early Holocene increases in atmospheric methane.
    Publication Date: 2024-02-16
    Description: This synthesis dataset contains records of freshwater peat and lake sediments from continental shelves and coastal areas. Information included is site location (when available), thickness and description of terrestrial sediments as well as underlying and overlying sediments, dates (when available), and references.
    Keywords: 317980-3; Aarhus Bay; AB63-7; Age, dated; Age, dated, range, maximum; Age, dated, range, minimum; Age, dated material; Age, dated standard error; Air chemistry observatory; Allaertshoeve; Amberley_Wild_Brooks; Anna_Jacobapolder; Aranmore; Area/locality; Atkinson_Point; B3; Ballyhalbert; Baltic Sea; Barmouth; BARN; Barnstable; Baron_Road; Barrow; Beaufort Sea; Belfast_Lough; Berendrechtsluis; Bering Sea; BH94-7; Borkum Riffgrund, Germany; Borth_Ynyslas; Boston; Bouwlest; Brancaster; Bristol Channel; Broad_Creek; BS; BT_9A; Buxton; C1_Steene; Cadborough_Cliffs; Cape_Fear_Arch; Cape_Shpindler; Capelle-la-Grande; Carnlough; Castle_Arcade_Belfast; Centerville; Cheesequake_Marsh; Chukchi Sea; Clacton_Walton; Constitution_Island; Core_10; Core_4b; CP_M28; CTD/Rosette; CTD-RO; Cushendun; Description; Dhu_Varren; Drumburgh_Moss; Dunshaughlin; Duxbury_Marsh; East_Guldeford; ELEVATION; Ellewoutsdijk; EMB1218-2-3; EMB1218-3-3; English Channel; EX_1; EXP; Experiment; Fakse_Bay; Flax_Pond; Forgandenny; G_2198; Gapinge; Gardiners_Bay; GC; Ghyvelde; Gouldsboro; Gravity corer; Great_Bay; Greyfriars; Groede; Gulf of St. Lawrence; Hackensack_Marsh; Hammock_River; Hartlepool_Bay; HN04S; HN04S-158GC; Houghton_Green; Hullbridge-on-Crouch; Hunstanton; Ingoldmells; Inishowen_Head; Irish Sea; Island_Magee; Isle_of_Soay; Kara Sea; Kharasavey_River; Killough; Kinnego; KM-17; Kreekrak; Laboratory code/label; Laptev Sea; LATITUDE; Lea_Farm; Leasowe; Leman_Ower; Lithology/composition/facies; Loch_nan_Eala; Lochar_Moss; Long_Island; LONGITUDE; Lonsdale_Mosses; Lower_Clomass_Estuary; Lower_Halstow; Loxstedt_borehole; Marthas_Vineyard; Menunketesuck_River; Method comment; Middelburg; Minnis_Bay; Monchgut_Peninsula; Moss-of-Cree; Murrells_Inlet; Mystic; Nantucket; Naran; Nauset_Bay; Neponset_River; New_Bay_Bridge; New_Bedford; New_Haven; Newferry; North Sea; Northumberland_Strait; Number; Old_Decoy; Old_Place_80; Oosterweel; Oostkerke; Oude_Stoof; OUTCROP; Outcrop sample; Oyster_Pond; Pannel_Farm; Perkpolder; Pett_Level; Pewis_Marsh; Piermont_Tidal_Marsh; PM9462; Professor Multanovskiy; Reference/source; Reference of data; Rhyl; Ringneill_Quay; Ritthem; Riverhead; RKS_142; RKS_144; RKS_145; RKS_146; RKS_22; RKS_27; RKS_83; RKS_91; RKS_92; RKS_93; RKS_94; Roadend; Roddans_Port; Rogers_Lake; Rossbeg_Harbour; Russia; Ruth_Lea_1; Ruth_Lea_2; Ruth_Lea_3; Rye_27; Rye_33; Saco_Bay; Sample comment; Sanborn_Cove; Scherpenisse; Schoudervliet; Schweiburg_borehole; Scotland Sea; SeaLevel; Severn_Estuary; Shelter_Island; Site; Skipsea; South_Long_Island; Southampton; South Atlantic Ocean; SPUSO; Squibnockt_Cliff; St. F. Henry; ST5248-8376; Stavenisse; StGermans; StHelier; StJones_River; StPatricks_Channel; Swansea; Symbister; Termon; Teteghem; TGS; Tide gauge station; Tooley_M1-3; Totoket_Bog; Transdrift-II; United States of America; USGS_54; USGS_69; USGS_76-101; USGS_76-121; USGS_76-71A; USGS_76-72; USGS_77-15; USGS_77-37; USGS_78-15; USGS_78-17; USGS_78-22; USGS_78-23; USGS_78-3; USGS_78-4; USGS_78-6; USGS_80-4; USGS_85-58; USGS_85-70; Uxem; VC; VC_225B; VC2068; Veere; Verille; Vibro corer; Waarde; Wachapreague; Walland_Marsh; Wangerland_W2; Wangerland_W5; West_Winchelsea; Westway; Wolfe_Glade; Woodgrange; Zacks_Kliff; Zeesluis-Hingene-Wintham
    Type: Dataset
    Format: text/tab-separated-values, 4544 data points
    Location Call Number Expected Availability
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  • 20
    facet.materialart.
    Unknown
    PANGAEA
    In:  Supplement to: Treat, Claire C; Jones, Miriam C; Brosius, Laura Susan; Grosse, Guido; Walter Anthony, Katey M (in prep.): High latitude lake and wetland methane emissions lag abrupt early Holocene increases in atmospheric methane.
    Publication Date: 2024-01-18
    Description: A compilation of basal dates of peatland initiation across the northern high latitudes, associated metadata including location, age, raw and calibrated radiocarbon ages, and associated references. Includes previously published datasets from sources below as well as 365 new data points.
    Keywords: 11O; 1202; 15A; 260; 277; 2M; 300; 398; 4_RN; Aakkenustunturi; Aaknes; ABI; Abisko; Abisko, Lappland, northern Sweden; Adventdalen; Adventdalen, Spitzbergen, Svalbard; Aflon; Afognak; Agardalen_Elfenbeibreen_glacier; Age, dated; Age, dated standard error; Agerod; Agparsuit; Ahvenlampi; Aion-4estuary_of_Chaun; Aishihik_Lake; Aitkin; Akali; Ake_Bat; Alaganik; Alaska, USA; Alaska-Toolik; Albany_Forks; Albany_R; Albany_R-8501; Alberta; Alberta, Canada; Alderdale; Aleksandrovskoe; Alsmyren; Altevatn; Altin; Alton_PA-16; Amot; Anadyr; Anadyrskiy Gulf; Anaktuvik_Pass; Andoya; Anin_Island; Antinlammensuo; Apurinneva; Arangatui; Aravete; Archangelsk_City; Arctic Ocean; Argaunat_Hil_Bog; Arosuo; Arrowsmith_River; Arstadmirene; Ashville; Asmyra; Atka_Island; Attawapiskat_River; Aura; Author(s); auxiliary station; Avalon; AWI Arctic Land Expedition; Ayat; Ayon; Baffin_Island; Baffin Bay; Bagotville_Bog; Baidaratskaya; Baie; Ballast_Brook; Ballycroy_Bog; Baltic Sea; Balyktakh; Banks Island, Canadian Arctic Archipelago; Barents Sea; Barrow_Utqiagvik; Barrow, Alaska, USA; Bastuberg; Bay of Fundy; BB1; Bear_Cove_Bog; Bear_Creek; Bear_Den_Bog; Bear_Valley; Beaufort Sea; Beauval; Beaver_Lake_2; Beaver_River; Bederbo-Tarida; Bekkelaegret; Belanske_Luky; Belek_Sesi_Cheepay; Beloye; Benacadie_Point; Berendon_Fen; Bering_Lake; Bering Sea; Bezdonnoe; Big_Slide_Creek; Big_Swamp; Billings_Cape; Bingha_BG-1; Biological sample; BIOS; Birthday_River; Bjuralvsmossen; Black_Gum_Swamp; Black_Lake; Black_River; Blackbear-8508A; Blairmore; Blamyrho; Blanc-Sablon; Bleik; Blenkisop_Lake; Blidenes_Kurzeme; Blomidon_Site; Blue_Lake; Boganida-14; Bois-des-Bel; Bol_Kuropatochiya; Bol_Liakhovskiy_Island; Bol_Routan_Island; Bolshaya_Lagorta; Bolsho_Mokh; Bolvanski_Mys; Bonfield_Gill_Head; Boniface_river; Bonne_Bay; Boothia_Peninsula; BOR; Borer; Bradshaw; Brewster_Creek; Bridge_Glacier_Bog; Brondmyra; Brooks_River; Brookside; Buevannet; Buffalo_Narrows; BurinPeninsula; Buskerud; Bussehund; Bussesund; Bylot_Island; Cabin_Creek; Caldwell_Lake; Calendar age; Calendar age, maximum/old; Calendar age, minimum/young; California_Gulch; Calumet; Campbell; Canada; Canadian Arctic; Cape_Ball; Cape_Henrietta_Maria; Cape_Kiberia; Cape_Nares; Cape_Shpindler; Caribou_Bog; Caribou_Lake; Caribou_Mts; Caribu_River; Carling_L-site; Carswell_Lake; Cartwright; CC-14; CC-18; CC-19; CC-2; CC-22; CC-27; CC-36; CC-39; CC-40; CC-41; CC-42; CC-44; CC-49; CC-50; CC-51; CC-54; CC-57; CC-62; CC-7; CC-76; CC-80; CC-82; CC-85; CC-90; CC-P; Cedar_Swano; Central-West-Greenland; Cerna_Hora; Chaginskoe_Mire; Chalk_River; Chapman_Lake; Charlevoix; Chase; Chasebrook; Chatsworth_Bog; Chekurovka; Cheremushka; Chernyii_Yar; Cherryfield; Cherya_Gorka; Chester_LN-1; Chilkoot_Pond; Chin_Lake; CHISTIC; Chistic, Russia; Chivyrkiu; Chudesnoe; Chuk_10; Chuk_11; Chuk_8; Chukchi Sea; Churchill; Churchill_Falls; Chydesnoe; Cioetwon_bog; Clarenville; Clearwater_Bog; Clearwater_Lake; Clover_Pond; Cluff_Lake; Coal_Creek; Coastal_fen_site; Coastal waters of SE Alaska; Cochrane; Codeville_WA-6; Collins_Pond; Colville_Lake; Comment; Continent; Coppermine; Core1; Core2; Corkery_Creek; Corporon; Coulson_Township; Country; Courtenay; Covey_Hill; Covey_Hill_core1; Cowichan_Lake; Creek_Cypres_Bog; Cresswell_River; Crimson_lake; Cropley_Lake; CSAT; Dags_Mosse; Dahadinni_River; Dalnie_Zelentsy; Dalsvatnmyr; Dartmouth_Bight; data collections; Davis Strait; De_Borchert; Deggemyra; Dempster_Highway; Denali_Highway; Denslow_Lake_moraine; DERPUT; Derput, Russia; Deschambault_Lake; Diana_Lake_Bog; Dionisiya; Djupvika; Docksmyren; Dome_Creek_Meadow; Doting_Gove; Douglas_Island; Drainage_Lake; Dredge; Dresvianka-Pechiora_inlet; DRG; DRILL; Drilling/drill rig; Drizzle_Pit_Bog; Dry_Lamba_Kivach; Duck_Pond; Duguldzera; Dulikha; DUVAN; Duvanny_Yar_2009; Duvanny Yar Alas; Dyanushka K7P2; Dzelves; Dzhangskyol_Fen; E101; E102; E103; E104; E105; E106; E107; E108; E109; E110; E111; E112; E113; E114; E115; E116; E117; E118; E119; E120; E121; Eagle_Creek; Eagle_River; Eaglecrest_Bog; East_Baltic; East_Biddeford; Eastern_Graham; East Siberian Sea; Eipurs; Eleutak; Ellerslie; EllisBog; Emo; Engbertsdijksven; Engerdal; Ennadai_Lake; Escape_River; Eskimo_Lakes; Espanola_West_Bog; Exmouth_Lake; Falkefjeldet; Fallison; Farnham_Bog; Farrent_Island; Finger_Glacier; Finland; Fire_Island; Fish_Lake_2; Flatrumyren; Fletcher_Lake; Fokstumyrin; Folley_Lake; Fongen; Footprint_Lake; Fort_Chimo; Fort_Good_Hope; Fosheim; Fourth-of-July_Creek; FRON; Fuglefjellet; Funasmyren; Gakona_River; Galt; Gardsendi; Garry_Island; Gates_Bog; Gauya_River; Geike_Bog; Generc_River; Georgian_Bay; Germansen; GGU215942; Gill_Lake; Gipka; Glacier_Creek; Glacier_Highway; Gleason_Bog; Glenancross; Glenholme; Global_change_camp; Global River Discharge; GLUKHOYE; Glukhoye Lake; GN11-C4; Goldeye_core1; Goldeye_Fen; Goodsir_Inlet; Goose_Creek; Goose_River; Gorelovo; Gornostalya; Gotlandsfloen; Grand_Beach; Grand_Plateau; Grand_Rapids; Grande_Cache; Grand River, Michigan, U.S.A., North America; Grant_Lake; Granunes; Great_Bear; Green_River_2; Grindstone_Island; Guldtvedt; Gulf of Alaska; Gulf of Bothnia; Gulf of Finland; Gulf of Riga; Gulf of St. Lawrence; Gulf of Tartary; Gur_sample; Guyer_Lake; Gypsumville; Haapalahti; Haapasuo; Hadseloya; Haikassuo; Halnelaegeret; Halvykenmyren; Hammarmossen; Hangassuo; Hara; Harmanger; Harp_Mountain; Harricana_moraine; Harricana_River; Harris_Creek; Hattuvaara; Hawley_Lake; Hawly_Lake; Helmken_Park; Henvalsmyren; Herchmer; Hermon_BA-8; Hershey_SH-2; Hestaa; Hiilisuo_Prionega; Hjortronmossen; HL02; HL02_core1; HL03; HL04; Holmfjeldnet; Homer_Spit; Hongyan; Hook_Lake_Bog; Hordaland; Horn_Lake; Horn_Plateau; Hornafjordur; Hornsund; Horton_River; Howardss_Pass; Howland_PA-9; Hudson Bay; Hudson Bay Lowlands, Canada; Hudson Strait; Hungry_Creek; Hunker_Creek; Hunter_Creek; Hurricane_Basin; Hurrinsuo; Hverholl; I-96; IB_wetland; Iceland Sea; Idglolorssuit; Igarka_Peat_exposure; Ile_du_Havre_aux_Maisons; Ilmakkiselka; IMATU; Imatu Mire, Estonia; incl. 16 pond locations; Innoko; Interior_fen_site; International Polar Year 1881-1884; Inuvik; Iosegun_River; IPY-1; Iris_Station; Isfiordflya_S-6a-74; Island_Alexandra; Isokarret; Isosuo; Ita; Ittlemit_Lake; Ivanovsko; Ivitaruk; Ivsugissok; Jaab_L_site; Janakkala; Japan Sea; JBL1; JBL1_core1; JBL2; JBL2_core1; JBL3; JBL3_core1; JBL4; JBL4_core1; JBL5; JBL5_core1; JBL7; JBL7_core1; JBL8; JBL8_core1; Jefferson_County; Jesmond_Bog; Joey_Lake; Johnson_Lake; Johnson_River; Johvikasoo; Joint Arctic Weather Stations; Judique; Jukolansuo; Julysuo_Kalevala; Juodonys; Jurmunaapa; Jyvaskyla; K7P2; Kaikkarsuo; Kairanaapa; Kakarinlammensuo; Kakkupalsa; Kalina; KALSA; Kalsa Mire, Estonia; Kamishak_Bat; Kangerdluarssuk; Kanjerjoki; Kara Sea; Karlebotn; Karluk_Lake; Karuniidu_Haanja_upland; Kashen; Kashunuk_River; Katalla; Katjaure; Kawanak_Pass; Kay_Point; Kazache; Keflavik; Keg_River; Kellet_River; Kelly_Lake; Kellys_Hollow; Kelottijanka; Kelowna; Kenai_Gasfield; Kenai_Gasfield_coreKG07-2; Kentra_Mos; Kepa; Keswick; KFA906; Khadyta-Yakha; Khanda; Khorei-Ver; Khorpiya; Khosedayu; Khroma; Kiesmisuo; Kihnio; Kilpisuo; Kindasovo_Pryazga; Kineosheo; King_Point; Kinosheo; Kirikumae_core-5; Kiskitto_Lake; KITTILA; Kittilä, Finland; Kivijarve; Kiya; KJ101; KJ2-3; KJ2-3_core1; KJ3-3; KJ4-3; KJ-B; Klukva; KM184; Knik_Arm; Kodiak; Koivasoo; Koivusuo_tam_zhe; Koluchinskaya; Kolyma Lowland, NE Siberia; Kongsofjorden; Konstantinovka-Pechora_inlet; Kontoloanrahka; Kosmoli; Kovashi; Koyukuk; KR3A; Krackelbacken; Krassissalik; KRES-12-2; Kresta_Gulf; Kruudneri; Kuchelga; Kugaluk_Estuary; Kugkat; Kuiksilla; Kuivajarvi_AA; KUJU_PD2; KUJU-PD2_core1; Kukak_Bay; Kukjuk; Kuliska; Kunda; Kunghit_Island; Kunyok_bog; Kuohukonto; Kuovdaoaivi; Kurile_Lake_caldera; Kurujoki; Kwakwatanikapistikw; Kwethluk; Kyzyltun_Ryam; La_Grande_Riviere-LG1; La_Grande_Riviere-LG2; La_Grande_Riviere-LG3; La_Ronge; LAB2-94; Laboratory; Laboratory code/label; Labrador Sea; Labytnangi; Lac_a_lEmpeche;
    Type: Dataset
    Format: text/tab-separated-values, 50631 data points
    Location Call Number Expected Availability
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