Blar i Brage IMR på forfatter "Chierici, Melissa"
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Net Community Production and Carbon Exchange From Winter to Summer in the Atlantic Water Inflow to the Arctic Ocean
Chierici, Melissa; Vernet, Maria; Fransson, Agneta; Børsheim, Knut Yngve (Journal article; Peer reviewed, 2019)The eastern Fram Strait and area north of Svalbard, are influenced by the inflow of warm Atlantic water, which is high in nutrients and CO2, influencing the carbon flux into the Arctic Ocean. However, these estimates are ... -
Ocean acidification and desalination: climate-driven change in a Baltic Sea summer microplanktonic community
Wulff, Angela; Karlberg, Maria; Olofsson, Malin; Torstensson, Anders; Riemann, Lasse; Steinhoff, Franciska Senta; Mohlin, Malin; Ekstrand, Nina; Chierici, Melissa (Journal article; Peer reviewed, 2018)Helcom scenario modelling suggests that the Baltic Sea, one of the largest brackish-water bodies in the world, could expect increased precipitation (decreased salinity) and increased concentration of atmospheric CO2 over ... -
Ocean Acidification Effects on Atlantic Cod Larval Survival and Recruitment to the Fished Population
Stiasny, Martina; Mittermayer, Felix; Sswat, Michael; Voss, Rüdiger; Jutfelt, Fredrik; Chierici, Melissa; Puvanendran, Velmurugu; Mortensen, Atle; Reusch, Thorsten B.H.; Clemmesen, Catriona (Journal article; Peer reviewed, 2016-08-23)How fisheries will be impacted by climate change is far from understood. While some fish populations may be able to escape global warming via range shifts, they cannot escape ocean acidification (OA), an inevitable consequence ... -
Ocean acidification state in western Antarctic surface waters: controls and interannual variability
Mattsdotter Björk, My; Fransson, Agneta; Chierici, Melissa; Torstensson, A. (Journal article; Peer reviewed, 2014-01-06)During four austral summers (December to January) from 2006 to 2010, we investigated the surface-water carbonate system and its controls in the western Antarctic Ocean. Measurements of total alkalinity (AT), pH and total ... -
Ocean acidification state variability of the Atlantic Arctic Ocean around northern Svalbard
Jones, Elizabeth Marie; Chierici, Melissa; Menze, Sebastian; Fransson, Agneta; Ingvaldsen, Randi Brunvær; Lødemel, Helene Hodal (Peer reviewed; Journal article, 2021)The Svalbard shelf and Atlantic Arctic Ocean are a transition zone between northward flowing Atlantic Water and ice-covered waters of the Arctic. Effects of regional ocean warming, sea ice loss and greater influence of ... -
Overvåking av havforsuring
Børsheim, Knut Yngve; Chierici, Melissa; Olsen, Are (Rapport fra Havforskningen;Nr. 17-2012, Working paper, 2012-05) -
Overvåkning av havforsuring: prioriteringer og vurderinger
Børsheim, Knut Yngve; Chierici, Melissa; Olsen, Are Kristian Sviggum (Fisken og Havet;6-2014, Research report, 2014-10-14)Utslippene av karbondioksid til atmosfæren fører til reduksjon av pH i sjøvann, og denne prosessen har fått betegnelsen havforsuring. Havforskningsinstituttet har overvåket havforsuring siden 2010 i samarbeid med ... -
Pelagic ecosystem characteristics across the atlantic water boundary current from Rijpfjorden, Svalbard, to the Arctic ocean during summer (2010-2014)
Hop, Haakon; Assmy, Philipp; Wold, Anette; Sundfjord, Arild; Daase, Malin; Duarte, Pedro; Kwasniewski, Slawomir; Gluchowska, Marta; Wiktor, Józef Maria; Tatarek, Agnieszka; Wiktor, Józef Maria Jr.; Kristiansen, Svein; Fransson, Agneta Ingrid; Chierici, Melissa; Vihtakari, Mikko (Journal article; Peer reviewed, 2019)The northern coast of Svalbard contains high-arctic fjords, such as Rijpfjorden (80°N 22°30′E). This area has experienced higher sea and air temperatures and less sea ice in recent years, and models predict increasing ... -
Pelagiske økosystem i De nordiske hav - grunnlagsstudie knyttet til åpningsprosess for utforskning og utvinning av havbunnsmineraler på norsk kontinentalsokkel
Kutti, Tina; Mork, Kjell Arne; Chierici, Melissa; Børsheim, Knut Yngve; Bagøien, Espen; Knutsen, Tor; Broms, Cecilie; Klevjer, Thor A.; Strand, Espen; Gjøsæter, Harald; Stenevik, Erling Kåre; Høines, Åge Sigurd; Windsland, Kristin; Frie, Anne Kirstine Højholt (Rapport fra havforskningen;2021 - 41, Research report, 2021)Denne rapporten er en leveranse til bestillingen «Grunnlagsstudie: Pelagisk økosystem» fra Oljedirektoratet til Havforskningsinstituttet. Studien er bestilt i forbindelse med at regjeringen har igangsatt en prosess for ... -
Phenology and Environmental Control of Phytoplankton Blooms in the Kong Håkon VII Hav in the Southern Ocean
Kauko, Hanna Maria; Hattermann, Tore; Ryan-Keogh, Thomas J.; Singh, Asmita; de Steur, Laura; Fransson, Agneta; Chierici, Melissa; Falkenhaug, Tone; Hallfredsson, Elvar H.; Bratbak, Gunnar; Tsagaraki, Tatiana Margo; Berge, Terje; Zhou, Qin; Moreau, Sebastien (Peer reviewed; Journal article, 2021)Knowing the magnitude and timing of pelagic primary production is important for ecosystem and carbon sequestration studies, in addition to providing basic understanding of phytoplankton functioning. In this study we use ... -
Planktic foraminiferal and pteropod contributions to carbon dynamics in the Arctic Ocean (north Svalbard margin)
Anglada-Ortiz, Griselda; Zamelczyk, Katarzyna; Meilland, Julie; Ziveri, Patrizia; Chierici, Melissa; Fransson, Agneta; Rasmussen, Tine Lander (Peer reviewed; Journal article, 2021)Planktic foraminifera and shelled pteropods are some of the major producers of calcium carbonate (CaCO3) in the ocean. Their calcitic (foraminifera) and aragonitic (pteropods) shells are particularly sensitive to changes ... -
Possible future scenarios for two major Arctic Gateways connecting Subarctic and Arctic marine systems: I. Climate and physical-chemical oceanography
Drinkwater, Kenneth F.; Harada, Naomi; Nishino, Shigeto; Chierici, Melissa; Danielson, Seth L.; Ingvaldsen, Randi Brunvær; Kristiansen, Trond; Hunt, George L.; Mueter, Franz; Stiansen, Jan Erik (Peer reviewed; Journal article, 2021)We review recent trends and projected future physical and chemical changes under climate change in transition zones between Arctic and Subarctic regions with a focus on the two major inflow gateways to the Arctic, one in ... -
Rapid fCO2 rise in the northern Barents Sea and Nansen Basin
Ericson, Ylva; Fransson, Agneta; Chierici, Melissa; Jones, Elizabeth Marie; Skjelvan, Ingunn; Omar, Abdirahman; Olsen, Are; Becker, Meike (Peer reviewed; Journal article, 2023)Maps of surface water fugacity of CO2 (fCO2) over eastern Fram Strait, south-western Nansen Basin, and the north-western Barents Sea (73–84°N, 5–46°E) from September 1997 to December 2020 were made and used to investigate ... -
Resistant calcification responses of Arctica islandica clams under ocean acidification conditions
Liu, Yi-Wei; Wanamaker, Alan D.; Aciego, Sarah M.; Searles, Ian; Hangstad, Thor Arne; Chierici, Melissa; Carroll, Michael Leslie (Peer reviewed; Journal article, 2023)Ocean acidification (OA) directly impacts marine calcifying organisms including ecologically and commercially important shellfish species such as Arctica islandica (A. islandica). To test whether documented growth resilience ... -
Review Article: How does glacier discharge affect marine biogeochemistry and primary production in the Arctic?
Hopwood, Mark J.; Dustin, Carroll; Dunse, Thorben; Hodson, Andy; Holding, Johnna M; Iriarte, José L.; Ribeiro, Sofia; Achterberg, Eric P.; Cantoni, Carolina; Carlson, Daniel F.; Chierici, Melissa; Clarke, Jennifer S.; Cozzi, Stefano; Fransson, Agneta; Juul- Pedersen, Thomas; Winding, Mie S.; Meire, Lorenz (Peer reviewed; Journal article, 2020)Freshwater discharge from glaciers is increasing across the Arctic in response to anthropogenic climate change, which raises questions about the potential downstream effects in the marine environment. Whilst a combination ... -
Seasonal dynamics of carbonate chemistry, nutrients and CO2 uptake in a sub-Arctic fjord
Jones, Elizabeth Marie; Renner, Angelika; Chierici, Melissa; Wiedmann, Ingrid; Lødemel, Helene; Biuw, Martin (Peer reviewed; Journal article, 2020)Environmental change can have a significant impact on biogeochemical cycles at high latitudes and be particularly important in ecologically valuable fjord ecosystems. Seasonality in biogeochemical cycling in a sub-Arctic ... -
Seasonal dynamics of the marine CO2 system in Adventfjorden, a West Spitsbergen fjord
Ericson, Ylva; Chierici, Melissa; Falck, Eva; Fransson, Agneta Ingrid; Jones, Elizabeth Marie; Kristiansen, Svein (Journal article; Peer reviewed, 2019)Time series of the marine CO2 system and related parameters at the IsA Station, by Adventfjorden, Svalbard, were investigated between March 2015 and November 2017. The physical and biogeochemical processes that govern ... -
Seasonal plankton dynamics in Kongsfjorden during two years of contrasting environmental conditions
Assmy, Philipp; Kvernvik, Ane Cecilie; Hop, Haakon; Hoppe, Clara J.M.; Chierici, Melissa; David T., Divya; Duarte, Pedro; Fransson, Agneta; García, Laura M.; Patuła, Weronika; Kwaśniewski, Sławomir; Maturilli, Marion; Pavlova, Olga; Tatarek, Agnieszka; Wiktor, Jozef M; Wold, Anette; Wolf, Klara K.E.; Bailey, Allison Michelle (Peer reviewed; Journal article, 2023)Seasonal plankton time-series data are presented from Kongsfjorden from two years with contrasting environmental conditions. Kongsfjorden (west coast of Spitsbergen – 79°N) integrates inputs from Atlantic and Arctic waters, ... -
Seasonality of marine calcifiers in the northern Barents Sea: Spatiotemporal distribution of planktonic foraminifers and shelled pteropods and their contribution to carbon dynamics
Ortiz, Griselda Anglada; Meilland, Julie; Ziveri, Patrizia; Chierici, Melissa; Fransson, Agneta; Jones, Elizabeth Marie; Rasmussen, Tine Lander (Peer reviewed; Journal article, 2023)The Barents Sea is presently undergoing rapid warming and the sea-ice edge and the productive zones are retreating northward at accelerating rates. Planktonic foraminifers and shelled pteropods are ubiquitous marine ... -
Seasonality of the Physical and Biogeochemical Hydrography in the Inflow to the Arctic Ocean Through Fram Strait
Randelhoff, Achim; Reigstad, Marit; Chierici, Melissa; Sundfjord, Arild; Ivanov, Vladimir; Cape, Matthias; Vernet, Maria; Tremblay, Jean-Éric; Bratbak, Gunnar; Kristiansen, Svein (Peer reviewed; Journal article, 2018)