Blar i Institutt for miljø- og naturvitskap på forfatter "Yde, Jacob C."
-
Arctic climate shifts drive rapid ecosystem responses across the West Greenland landscape
Saros, Jasmine E.; Anderson, Nicholas John; Juggins, Stephen; McGowan, Suzanne; Yde, Jacob C.; Bullard, Joanna E.; Yallop, Marian L.; Heathcote, Adam J.; Burpee, Benjamin T.; Fowler, Rachel A.; Barry, Christopher D.; Northington, Robert M.; Osburn, Christopher L.; Pla-Rabes, Sergi; Mernild, Jacob Sebastian Haugaard; Whiteford, Erika J.; Andrews, Grace; Kerby, Jeffrey T.; Post, Eric (Journal article; Peer reviewed, 2019)Prediction of high latitude response to climate change is hampered by poor understanding of the role of nonlinear changes in ecosystem forcing and response. While the effects of nonlinear climate change are often delayed ... -
Cryoconite – From minerals and organic matter to bioengineered sediments on glacier's surfaces
Rozwalak, Piotr; Podkowa, Paweł; Buda, Jakub; Niedzielski, Przemysław; Kawecki, Szymon; Ambrosini, Roberto; Azzoni, Roberto S.; Baccolo, Giovanni; Ceballos, Jorge L.; Cook, Joseph; Di Mauro, Biagio; Ficetola, Gentile Francesco; Franzetti, Andrea; Ignatiuk, Dariusz; Klimaszyk, Piotr; Łokas, Edyta; Ono, Masato; Parnikoza, Ivan; Pietryka, Mirosława; Pittino, Francesca; Poniecka, Ewa; Porazinska, Dorota L.; Richter, Dorota; Schmidt, Steven K.; Sommers, Pacifica; Souza-Kasprzyk, Juliana; Stibal, Marek; Szczuciński, Witold; Uetake, Jun; Wejnerowski, Łukasz; Yde, Jacob C.; Takeuchi, Nozomu; Zawierucha, Krzysztof (Peer reviewed; Journal article, 2022)Cryoconite is a mixture of mineral and organic material covering glacial ice, playing important roles in biogeochemical cycles and lowering the albedo of a glacier surface. Understanding the differences in structure of ... -
Globally elevated chemical weathering rates beneath glaciers
Li, Xiangying; Wang, Ninglian; Ding, Yongjian; Hawkings, Jon R.; Yde, Jacob C.; Raiswell, Robert; Liu, Jintao; Zhang, Shiqiang; Kang, Shichang; Wang, Rongjun; Liu, Qiao; Liu, Shiyin; Bol, Roland; You, Xiaoni; Li, Guoyu (Peer reviewed; Journal article, 2022)Physical erosion and chemical weathering rates beneath glaciers are expected to increase in a warming climate with enhanced melting but are poorly constrained. We present a global dataset of cations in meltwaters of 77 ... -
High-resolution ice sheet surface mass-balance and spatiotemporal runoff simulations: Kangerlussaq, West Greenland
Mernild, Jacob Sebastian Haugaard; Liston, Glen E.; van As, Dirk; Hasholt, Bent; Yde, Jacob C. (Journal article; Peer reviewed, 2018)The spatiotemporal distribution of freshwater runoff from the Greenland Ice Sheet (GrIS) determines the hydrographic and circulation conditions in Greenlandic fjords. The distribution of GrIS first-order atmospheric forcings, ... -
Microbial iron reduction and greenhouse gas production in response to organic matter amendment and temperature increase of periglacial sediments, Bolterdalen, Svalbard
Kolchev, Ivaylo; Marshall, Ian P.G.; Jones, Eleanor; Yde, Jacob C.; Nørnberg, Per; Mateos-Rivera, Alejandro; Hodson, Andrew; Bak, Ebbe N.; Finster, Kai (Peer reviewed; Journal article, 2022)Arctic permafrost soils store substantial reserves of organic matter (OM) from which microbial transformation contributes significantly to greenhouse gas emissions of CH4 and CO2. However, many younger sediments exposed ... -
Observed sediment and solute transport from the Kangerlussuaq sector of the Greenland Ice Sheet (2006–2016)
Hasholt, B.; van As, Dirk; Mikkelsen, Andreas B.; Mernild, Jacob Sebastian Haugaard; Yde, Jacob C. (Journal article; Peer reviewed, 2018)New measurements of Watson River sediment and solute concentrations and an extended river discharge record improved by acoustic Doppler current profiler (ADCP) measurements are used to calculate the total sediment and ... -
Patterns in Microbial Assemblages Exported From the Meltwater of Arctic and Sub-Arctic Glaciers
Kohler, Tyler J.; Vinšová, Petra; Falteisek, Lukáš; Žárský, Jakub D.; Yde, Jacob C.; Hatton, Jade E.; Hawkings, Jon R.; Lamarche-Gagnon, Guillaume; Hood, Eran; Cameron, Karen; Stibal, Marek (Peer reviewed; Journal article, 2020)Meltwater streams connect the glacial cryosphere with downstream ecosystems. Dissolved and particulate matter exported from glacial ecosystems originates from contrasting supraglacial and subglacial environments, and ... -
Post-Little Ice Age glacial lake evolution in Svalbard: Inventory of lake changes and lake types
Wieczorek, Iwo; Strzelecki, Mateusz C.; Stachnik, Łukasz; Yde, Jacob C.; Małecki, Jakub (Peer reviewed; Journal article, 2023)The rapid formation of glacial lakes is one of the most conspicuous landscape changes caused by atmospheric warming in glacierised regions. However, relatively little is known about the history and current state of glacial ... -
A reconstruction of Jostedalsbreen during the Little Ice Age and geometric changes to outlet glaciers since then
Carrivick, Jonathan L.; Andreassen, Liss Marie; Nesje, Atle; Yde, Jacob C. (Peer reviewed; Journal article, 2022)Mountain glaciers and ice caps are undergoing rapid mass loss but rates of present-day changes and models of future projections both lack long-term (centennial-scale) context. Here, we reconstruct the maximum glacier extent ... -
Repeated survey along the foreland of a receding Norwegian glacier reveals shifts in succession of beetles and spiders
Klopsch, Christian; Yde, Jacob C.; Matthews, John A; Vater, Amber E; Gillespie, Mark Andrew Kusk (Peer reviewed; Journal article, 2022)Glacier forelands provide important sites to study climate-forced ecological succession because a chronosequence is apparent along a single valley. However, most studies of invertebrate succession in forelands provide a ... -
SEM-EDS and water chemistry characteristics at the early stages of glacier recession reveal biogeochemical coupling between proglacial sediments and meltwater
Stachnik, Lukasz Mariusz; Yde, Jacob C.; Krzemień, Kazimierz; Uzarowicz, Łukasz; Sitek, Sławomir; Kenis, Piotr (Peer reviewed; Journal article, 2022)Most glaciers worldwide are undergoing climate-forced recession, but the impact of glacier changes on biogeochemical cycles is unclear. This study examines the influence of proglacial sediment weathering on meltwater ... -
Silicon isotopes in Arctic and sub-Arctic glacial meltwaters: the role of subglacial weathering in the silicon cycle
Hatton, Jade E.; Hendry, Katharine R.; Hawkings, Jonathan R.; Wadham, Jemma L.; Opfergelt, Sophie; Kohler, Tyler J.; Yde, Jacob C.; Stibal, Marek; Zarsky, Jakub D. (Journal article; Peer reviewed, 2019)Glacial environments play an important role in high-latitude marine nutrient cycling, potentially contributing significant fluxes of silicon (Si) to the polar oceans, either as dissolved silicon (DSi) or as dissolvable ... -
Stratigraphy and age of a Neoglacial sedimentary succession of proglacial outwash and an alluvial fan in Langedalen, Veitastrond, western Norway
Nesje, Atle; Rüther, Denise Christina; Yde, Jacob C. (Peer reviewed; Journal article, 2022)This study presents the sedimentary succession of an outwash plain and an alluvial fan located along the valley Langedalen at the south-eastern side of the Jostedalsbreen ice cap in inner Sogn, western Norway. A newly ... -
Surge-type glaciers in Kalaallit Nunaat (Greenland): distribution, temporal patterns and climatic controls
Lovell, Harold; Carrivick, Jonathan L.; King, Owen; Sutherland, Jenna L.; Yde, Jacob C.; Boston, Clare M.; Małecki, Jakub (Peer reviewed; Journal article, 2023)We present the first systematic inventory of surge-type glaciers for the whole of Greenland compiled from published datasets and multitemporal satellite images and digital elevation models. The inventory allows us to define ... -
Weathering Dynamics Under Contrasting Greenland Ice Sheet Catchments
Urra, Alexandra; Wadham, Jemma L.; Hawkings, Jon R.; Telling, Jon; Hatton, Jade E.; Yde, Jacob C.; Hasholt, Bent; van As, Dirk; Bhatia, Maya P.; Nienow, Peter W. (Peer reviewed; Journal article, 2019)Chemical weathering dynamics in Greenland Ice Sheet (GrIS) catchments are largely unknown, due to a scarcity of field data. This paper presents the most comprehensive study to date of chemical weathering rates from four ...