Browsing NORCE vitenarkiv by Author "Skjelvan, Ingunn"

Now showing items 1-15 of 15

    • Acidification of the Nordic Seas 

      Fransner, Sara Filippa Krusmynta; Fröb, Friederike; Tjiputra, Jerry; Goris, Nadine; Lauvset, Siv Kari; Skjelvan, Ingunn; Jeansson, Emil; Omar, Abdirahman; Chierici, Melissa; Jones, Elizabeth Marie; Fransson, Agneta; Ólafsdóttir, Sólveig R.; Johannessen, Truls; Olsen, Are (Journal article; Peer reviewed, 2022)
      Due to low calcium carbonate saturation states, and winter mixing that brings anthropogenic carbon to the deep ocean, the Nordic Seas and their cold-water corals are vulnerable to ocean acidification. Here, we present a ...

    • CO2 and hydrography acquired by autonomous surface vehicles from the Atlantic Ocean to the Mediterranean Sea: data correction and validation 

      Martellucci, Riccardo; Giani, Michele; Mauri, Elena; Coppola, Laurent; Paulsen, Melf; Fourrier, Marine; Pensieri, Sara; Cardin, Vanessa; Dentico, Carlotta; Bozzano, Roberto; Cantoni, Carolina; Lucchetta, Anna; Izquierdo, Alfredo; Bruno, Miguel; Skjelvan, Ingunn (Peer reviewed; Journal article, 2024)
      The ATL2MED demonstration experiment involved two autonomous surface vehicles from Saildrone Inc. (SD) which travelled a route from the eastern tropical North Atlantic to the Adriatic Sea between October 2019 and July 2020 ...

    • CO2 and hydrography acquired by autonomous surface vehicles from the Atlantic Ocean to the Mediterranean Sea: data correction and validation 

      Martellucci, Riccardo; Giani, Michele; Mauri, Elena; Coppola, Laurent; Paulsen, Melf; Fourrier, Marine; Pensieri, Sara; Cardin, Vanessa; Dentico, Carlotta; Bozzano, Roberto; Cantoni, Carolina; Luchetta, Anna; Izquierdo, Alfredo; Bruno, Miguel; Skjelvan, Ingunn (Peer reviewed; Journal article, 2024)
      The ATL2MED demonstration experiment involved two autonomous surface vehicles from Saildrone Inc. (SD) which travelled a route from the eastern tropical North Atlantic to the Adriatic Sea between October 2019 and July 2020 ...

    • Constraining the oceanic uptake and fluxes of greenhouse gases by building an ocean network of certified stations: The ocean component of the Integrated Carbon Observation System, ICOS-Oceans 

      Steinhoff, Tobias; Gkritzalis, Thanos; Lauvset, Siv Kari; Jones, Stephen Daniel; Schuster, Ute; Olsen, Are; Becker, Meike; Bozzano, Roberto; Brunetti, Fabio; Cantoni, Carolina; Cardin, Vanessa; Diverrès, Denis; Fiedler, Björn; Fransson, Agneta; Giani, Michele; Hartman, Sue; Hoppema, Mario; Jeansson, Emil; Johannessen, Truls; Kitidis, Vassilis; Körtzinger, Arne; Landa, Camilla Stegen; Lefèvre, Nathalie; Luchetta, Anna; Naudts, Lieven; Nightingale, Philip D.; Omar, Abdirahman; Pensieri, Sara; Pfeil, Benjamin; Castano Primo, Rocio; Rehder, Gregor; Rutgersson, Anna; Sanders, Richard; Schewe, Ingo; Siena, Giuseppe; Skjelvan, Ingunn; Soltwedel, Thomas; van Heuven, Steven; Watson, Andrew (Peer reviewed; Journal article, 2019)
      The European Research Infrastructure Consortium “Integrated Carbon Observation System” (ICOS) aims at delivering high quality greenhouse gas (GHG) observations and derived data products (e.g., regional GHG-flux maps) for ...

    • Decadal trends in ocean acidification from the Ocean Weather Station M in the Norwegian Sea 

      Skjelvan, Ingunn; Lauvset, Siv Kari; Johannessen, Truls; Gundersen, Kjell; Skagseth, Øystein (Peer reviewed; Journal article, 2022)
      The Ocean Weather Station M (OWSM) is situated at a fixed position in the Norwegian Sea, one of the major basins of the Nordic Seas, which represents an important area for uptake of atmospheric CO2 as well as deep water ...

    • Global Carbon Budget 2020 

      Friedlingstein, Pierre; O'Sullivan, Michael; Jones, Matthew W.; Andrew, Robbie; Hauck, Judith; Olsen, Are; Peters, Glen Philip; Peters, Wouter; Pongratz, Julia; Sitch, Stephen; Le Quéré, Corinne; Canadell, Josep G.; Ciais, Philippe; Jackson, Robert B.; Alin, Simone; Aragão, Luiz E.O.C.; Arneth, Almut; Arora, Vivek K.; Bates, Nicholas R.; Becker, Meike; Benoit-Cattin, Alice; Bittig, Henry C.; Bopp, Laurent; Bultan, Selma; Chandra, Naveen; Chevallier, Frédéric; Chini, Louise P.; Evans, Wiley; Florentie, Liesbeth; Forster, Piers M.; Gasser, Thomas; Gehlen, Marion; Gilfillan, Dennis; Gkritzalis, Thanos; Gregor, Luke; Gruber, Nicolas; Harris, Ian; Hartung, Kerstin; Haverd, Vanessa; Houghton, Richard A.; Ilyina, Tatiana; Jain, Atul K.; Joetzjer, Emilie; Kadono, Koji; Kato, Etsushi; Kitidis, Vassilis; Korsbakken, Jan Ivar; Landschützer, Peter; Lefevre, Nathalie; Lenton, Andrew; Lienert, Sebastian; Liu, Zhu; Lombardozzi, Danica; Marland, Gregg; Metzl, Nicolas; Munro, David; Nabel, Julia E.M.S.; Nakaoka, Shin-Ichiro; Niwa, Yosuke; O'Brien, Kevin M.; Ono, Tsuneo; Palmer, Paul I.; Pierrot, Denis; Poulter, Ben; Resplandy, Laure; Robertson, Eddy; Rödenbeck, Christian; Schwinger, Jörg; Séférian, Roland; Skjelvan, Ingunn; Smith, Adam J.P.; Sutton, Adrienne; Tanhua, Toste; Tans, Pieter P.; Tian, Hanqin; Tilbrook, Bronte; Van Der Werf, Guido; Vuichard, Nicolas; Walker, Anthony P.; Wanninkhof, Rik; Watson, Andrew; Willis, David; Wiltshire, Andy; Yuan, Wenping; Yue, Xu; Zaehle, Sönke (Peer reviewed; Journal article, 2020)
      Accurate assessment of anthropogenic carbon dioxide (CO2) emissions and their redistribution among the atmosphere, ocean, and terrestrial biosphere in a changing climate – the “global carbon budget” – is important to better ...

    • Norske havforsuringsdata og FNs bærekraftsmål 14.3 

      Skjelvan, Ingunn; Jeansson, Emil (Research report, 2020)
      IOC (Intergovernmental Oceanographic Commision) har hatt ansvaret for å utvikle en indikator for havforsuring, som er knytta til FN sitt bærekraftsmål for livet i havet. Land, forskere og datasentre har blitt bedt om å ...

    • The northern European shelf as an increasing net sink for CO2 

      Becker, Meike; Olsen, Are; Landschützer, Peter; Omar, Abdirahman; Rehder, Gregor; Rödenbeck, Christian; Skjelvan, Ingunn (Peer reviewed; Journal article, 2021)
      We developed a simple method to refine existing open-ocean maps and extend them towards different coastal seas. Using a multi-linear regression we produced monthly maps of surface ocean fCO2 in the northern European coastal ...

    • Norwegian Sea net community production estimated from O2 and prototype CO2 optode measurements on a Seaglider 

      Possenti, Luca; Skjelvan, Ingunn; Atamanchuk, Dariia; Tengberg, Anders; Humphreys, Matthew P.; Loucaides, Socratis; Fernand, Liam; Kaiser, Jan (Journal article; Peer reviewed, 2021)
      We report on a pilot study using a CO2 optode deployed on a Seaglider in the Norwegian Sea from March to October 2014. The optode measurements required drift and lag correction and in situ calibration using discrete water ...

    • Opportunities for an African greenhouse gas observation system 

      Merbold, Lutz; Scholes, Robert J.; Acosta, Manuel; Beck, Johannes; Bombelli, Antonio; Fiedler, Bjorn; Grieco, Elisa; Helmschroth, Joerg; Hugo, Wim; Kasurinen, Ville; Kim, Dong-Gill; Körtzinger, Arne; Leitner, Sonja; López-Ballesteros, Ana; Ndisi, Mylene; Nickless, Aecia; Salmon, Emmanuel; Saunders, Matthew; Skjelvan, Ingunn; Vermeulen, Alexander T.; Kutsch, Werner Leo (Journal article; Peer reviewed, 2021)
      Global population projections foresee the biggest increase to occur in Africa with most of the available uncultivated land to ensure food security remaining on the continent. Simultaneously, greenhouse gas emissions are ...

    • Sea surface pCO2 variability and air-sea CO2 exchange in the coastal Sudanese Red Sea 

      Ali, Elsheikh B.; Skjelvan, Ingunn; Omar, Abdirahman; Olsen, Are; De Lange, Tor; Johannessen, Truls; Elageed, Salma (Peer reviewed; Journal article, 2021)
      The dynamics of sea surface pCO2 () and air–sea CO2 exchange of the Sudanese coastal Red Sea has for the first time been studied over a full annual cycle (October 2014–October​ 2015) based on semi-continuous measurements ...

    • Synthesis Product for Ocean Time Series (SPOTS) - a ship-based biogeochemical pilot 

      Lange, Nico; Fiedler, Björn; Álvarez, Marta; Benoit-Cattin, Alice; Benway, Heather; Buttigieg, Pier Luigi; Coppola, Laurent; Currie, Kim; Flecha, Susana; Gerlach, Dana S.; Honda, Makio; Huertas, I. Emma; Lauvset, Siv Kari; Muller-Karger, Frank; Körtzinger, Arne; O'Brien, Kevin M.; Ólafsdóttir, Sædis; Pacheco, Fernando C.; Rueda-Roa, Digna; Skjelvan, Ingunn; Wakita, Masahide; White, Angelicque; Tanhua, Toste (Peer reviewed; Journal article, 2024)
      The presented pilot for the Synthesis Product for Ocean Time Series (SPOTS) includes data from 12 fixed ship-based time-series programs. The related stations represent unique open-ocean and coastal marine environments ...

    • Trender i havforsuring og antropogent karbon i de nordiske hav, Nordsjøen og Skagerrak 

      Skjelvan, Ingunn; Jeansson, Emil; Chierici, Melissa; Fransnes, Filippa; Fröb, Friedrike; Tjiputra, Jerry; Goris, Nadine; Lauvset, Siv Kari; Omar, Abdirahman; Jones, Elizabeth; Fransson, Agneta; Olafsdóttir, Solveig R.; Johannessen, Truls; Olsen, Are; Norli, Marit; Apelthun, Lise B. (Research report, 2022)
      Denne rapporten baserer seg på artikkelen “Acidification of the Nordic Seas” av Fransner mfl. (2022). I tillegg presenteres havforsuringstrender (=endring over tid) i Nordsjøen og Skagerrak og trender i antropogent karbon ...

    • Trends of Ocean Acidification and pCO2 in the Northern North Sea, 2003-2015 

      Omar, Abdirahman; Thomas, Helmuth; Olsen, Are; Becker, Meike; Skjelvan, Ingunn; Reverdin, Gilles (Peer reviewed; Journal article, 2019)
      For continental shelf regions, the long‐term trend in sea surface carbon dioxide (CO2) partial pressure (pCO2) and rates of ocean acidification are not accurately known. Here, we investigate the decadal trend of observed ...

    • Winter weather controls net influx of atmospheric CO2 on the north-west European shelf 

      Kitidis, Vassilis; Shutler, Jamie D.; Ashton, Ian; Warren, Mark; Brown, Ian; Findlay, Helen S.; Hartman, Sue E.; Sanders, Richard; Humphreys, Matthew P.; Kivimäe, Caroline; Greenwood, Naomi; Hull, Tom; Pearce, David A.; McGrath, Triona; Stewart, Brian A.; Walsham, Pamela; McGovern, Evin; Bozec, Yann; Gac, Jean-Philippe; Van Heuven, Steven M.A.C.; Hoppema, Mario; Schuster, Ute; Johannessen, Truls; Omar, Abdirahman; Lauvset, Siv Kari; Skjelvan, Ingunn; Olsen, Are; Steinhoff, Tobias; Körtzinger, Arne; Becker, Meike; Lefevre, Nathalie; Diverrès, Denis; Gkritzalis, Thanos; Cattrijsse, André; Petersen, Wilhelm; Voynova, Yoana G; Chapron, Bertrand; Grouazel, Antoine; Land, Peter E.; Sharples, Jonathan; Nightingale, Philip D. (Peer reviewed; Journal article, 2019)
      Shelf seas play an important role in the global carbon cycle, absorbing atmospheric carbon dioxide (CO2) and exporting carbon (C) to the open ocean and sediments. The magnitude of these processes is poorly constrained, ...