Northern circumpolar soil carbon database

Author: njiq

August undefined, 2024

Webrecognized circumpolar permafrost peat OC pool by 50%. It is further stated that previous integrated studies of the permafrost OC pool (Tarnocai et al., 2009; Hugelius et al., 2013a, b) have failed to account for these deposits because of biases in the Northern Circumpolar Soil Carbon Database (NCSCD). They argue that the ﬁeld site data of ... Web2.3 Methods and data sources For the North American portion of the database, the soil organic carbon content was calculated on the basis of sampled pedons (soil profiles) that were included

Estimated stocks of circumpolar permafrost carbon with …

Web25 de jun. de 2024 · The Northern Circumpolar Soil Carbon Database (NCSCD) is a geospatial database created for the purpose of quantifying storage of organic carbon in … Web27 de jun. de 2009 · Northern circumpolar soils are estimated to cover approximately 18,782 × 10 3 km 2 and contain about 191 Pg of organic carbon in the 0–30 cm depth, 496 Pg of … hillcrest kwikspar contact

Spatial heterogeneity and environmental predictors of ... - Science

WebThe Northern Circumpolar Soil Carbon Database version 2 (NCSCDv2) is a geospatial database created for the purpose of quantifying storage of organic carbon in soils of … Web1 de jan. de 2013 · The NCSCD is a polygon-based digital database compiled from harmonized regional soil classification maps in which data on soil order coverage have … WebUpscaled based on regional soil maps, estimated permafrost region SOC stocks are 217 ± 12 and 472 ± 27 Pg for the 0–0.3 and 0–1 m soil depths, respectively (±95% confidence intervals). Storage of SOC in 0–3 m of soils is estimated to 1035 ± 150 Pg. Of this, 34 ± 16 Pg C is stored in poorly developed soils of the High Arctic. hillcrest kids bellingham

Northern Circumpolar Soils Map, Version 1 (GGD602)

WebA large amount of organic carbon stored in frozen Arctic soils (permafrost) could be released as carbon dioxide and methane in a warming climate, which would accelerate the pace of climate change; this review suggests that release of greenhouse gas emissions will be gradual but prolonged. Temperatures have risen faster than the global average in the … WebThis data set consists of a circumpolar map of dominant soil characteristics, with a scale of 1:10,000,000, covering the United States, Canada, Greenland, Iceland, northern … hillcrest kzn weather forecastWebThe Northern Circumpolar Soil Carbon Database version 2 (NCSCDv2) provides the spatial framework and the data needed to determine the organic carbon stocks in the soils of the permafrost region. The NCSCD contains many thousand of polygons, with each polygon containing one or more named soils or soil taxa that form the basis for … hillcrest kwikspar

"Web10 de abr. de 2024 · We calculated global and regional soil carbon stocks at 1 m depth given by three existing databases (SoilGrids, the Harmonized World Soil Database, and the Northern Circumpolar Soil Carbon Database). " - Northern circumpolar soil carbon database

Northern circumpolar soil carbon database

Download Soil Atlas of the Northern Circumpolar Region

WebPermafrost is ground that continuously remains below 0 °C (32 °F) for two or more years, located on land or under the ocean.Most common in the Northern Hemisphere, around 15% of the Northern Hemisphere or 11% of the global surface is underlain by permafrost, with the total area of around 18 million km 2. This includes substantial areas of Alaska, … WebThe Soil Atlas of the Northern Circumpolar Region is also available for download. Atlas pages are to be downloaded individually (144 pages in total), either in PDF format …

Did you know?

Web5 de abr. de 2024 · The Northern Circumpolar Soil Carbon Database: spatially distributed datasets of soil coverage and soil carbon storage in the northern permafrost regions. Earth Syst. Sci. Data 5, 3–13 (2013). WebMajor Soil Types of the Northern Circumpolar Region, 46; Soil Maps, 52; WRB Reference Soil Groups, 54; Index to Map Sheets, 57; Overview of the Northern Circumpolar Region, 58 ; Regional Maps, 60; Cold Soils from Around the World, 116; Geographic Information Systems, 117; Northern Soils: A Global Perspective, 118; …

Web5 The Northern Circumpolar Soil Carbon Database (NCSCD; Tarnocai et al., 2007) was compiled to address this lack of knowledge of the role of permafrost aﬀected soils in … Web30 de set. de 2016 · This is approximately 25 % less than stocks derived from the soil-map-based Northern Circumpolar Soil Carbon Database (NCSCD). The total stored carbon is underestimated since the established empirical relationship is not valid for peatlands or strongly cryoturbated soils. The approach does, however, provide the first spatially …

WebThe Northern Circumpolar Soil Carbon Database version 2 (NCSCDv2) is a geospatial database created for the purpose of quantifying storage of organic carbon in soils of … Web31 de mar. de 2024 · The Northern Circumpolar Soil Carbon Database (NCSCD) was developed to quantify stocks of soil organic carbon (SOC) in the northern circumpolar permafrost region (a total area of 18.7 × 106 km2). The NCSCD is a geographical information system (GIS) data set that has been constructed using harmonized regional …

WebUpscaled based on regional soil maps, estimated permafrost region SOC stocks are 217 ± 12 and 472 ± 27 Pg for the 0–0.3 and 0–1 m soil depths, respectively (±95% confidence …

http://hs.www.nature.com.dr2am.wust.edu.cn/articles/nature14338?__dp=https hillcrest kids bellingham waWeb6 de dez. de 2016 · The timing of the seasonal freeze-thaw cycle of arctic lakes affects ecological processes and land-atmosphere energy fluxes. We carried out detailed ice-phenology mapping of arctic lakes, based on daily surface-reflectance time series for 2000–2013 from MODIS at 250 m spatial resolution. We used over 13,300 lakes, area … smart city x hillcrest keysWebI started my scientific career at the Periglacial Research Unit of the Alfred Wegener Institute in 2009 by writing a diploma thesis focussing on paleoenvironmental reconstruction. After finishing my university studies, I acquired a stipend for my PhD and started my research about organic carbon in permafrost deposits. My postdoc project focusses on … hillcrest kids beddingWebThe NCSCD is based on polygons from different regional soils maps homogenized to the U.S. Soil Taxonomy. The database contains information on fractions of coverage of … hillcrest kitchen cabinetsWebthe Northern Circumpolar Soil Carbon Database (NCSCD). Model estimates of global soil carbon stocks ranged from 510 to 3040PgC, compared to an estimate of 1260PgC (with a 95% conﬁdence interval of 890–1660PgC) from the HWSD. Model simulations for the high northern latitudes smart city yerevanWebThe current estimate of the soil organic carbon (SOC) pool in the northern permafrost region of 1672 Petagrams (Pg) C is much larger than previously reported and needs to be incorporated in global soil carbon (C) inventories. The Northern Circumpolar Soil Carbon Database (NCSCD), extended to include the range 0–300 cm, is now available online ... hillcrest kitchener