Blar i NORCE Klima og miljø på tittel

Viser treff 647-666 av 846

    • Sangdalselva i Vest-Agder: Reetablering av laks etter redusert tilførsel av sur nedbør på Sørlandet 

      Gabrielsen, Sven-Erik; Skoglund, Helge; Halvorsen, Godtfred A.; Barlaup, Bjørn Torgeir; Pulg, Ulrich; Skår, Bjørnar; Wiers, Tore; Lehmann, Gunnar Bekke; Normann, Eirik S. (LFI – Laboratorium for ferskvannsøkologi og innlandsfiske, Research report, 2014)
      Sangdalselva er forsuret av langtransportert forurenset luft og nedbør. Den opprinnelige laksestammen i Sangdalselva gikk trolig tapt på 1970-tallet. Vassdraget har stått oppført på prioritert liste over nye nasjonale ...

    • Satellite Based Intertidal-Zone Mapping from Sentinel-1&2 

      Haarpaintner, Jörg; Davids, Corine (Research report, 2020)
      The report describes developed methods and results based on radar and optical high resolution (10-20m) satellite imagery from Sentinel-1 C-band synthetic aperture radars (C-SAR) S1A and S1B and Sentinel-2 MultiSpectral ...

    • Satellite-Based National Intertidal-Zone Mapping of Continental Norway with Sentinel-1&2 

      Haarpaintner, Jörg; Davids, Corine; Hindberg, Heidi; Arntzen, Ingar M.; Borch, Njål Trygve (Research report, 2021)
      The report describes updated methods that were originally developed in Haarpaintner & Davids (2020) to map the intertidal zone, in terms of atmospheric exposure, type and areal extent, based on radar and optical high ...

    • Sea Ice-Driven Variability in the Pacific Subantarctic Mode Water Formation Regions 

      Sanders, Rachael; Meijers, A.J.S.; Holland, P.R.; Naveira Garabato, Garabato (Peer reviewed; Journal article, 2023)
      Well-mixed mode waters that form in the north of the Southern Ocean are particularly important to the ocean absorption of heat and CO2 from the atmosphere. Two types of mode water form in the Pacific sector of the Southern ...

    • Sea lice (Lepeophtherius salmonis) detection and quantification around aquaculture installations using environmental DNA 

      Krolicka, Adriana; Nilsen, Mari Mæland; Hansen, Brian Klitgaard; Wulf Jacobsen, Lars Magnus; Provan, Fiona; Baussant, Thierry (Journal article; Peer reviewed, 2022)
      The naturally occurring ectoparasite salmon lice (Lepeophtherirus salmonis) poses a great challenge for the salmon farming industry, as well as for wild salmonids in the Northern hemisphere. To better control the infestation ...

    • 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 ...

    • Seasonal Variability of the Surface Ocean Carbon Cycle: A Synthesis 

      Rodgers, Keith B.; Schwinger, Jörg; Fassbender, Andrea J.; Landschützer, Peter; Yamaguchi, Ryohei; Frenzel, Hartmut; Stein, Karl; Müller, Jens Daniel; Goris, Nadine; Sharma, Shahil; Bushinsky, Seth; Chau, Thi-Tuyet-Trang; Gehlen, Marion; Gallego, M. Angeles; Gloege, Lucas; Gregor, Luke; Gruber, Nicolas; Hauck, Judith; Iida, Yosuke; Ishii, Masao; Keppler, Lydia; Kim, Ji-Eun; Schlunegger, Sarah; Tjiputra, Jerry; Toyama, Katsuya; Ayar, Pradeebane Vaittinada; Velo, Antón (Peer reviewed; Journal article, 2023)
      The seasonal cycle is the dominant mode of variability in the air-sea CO2 flux in most regions of the global ocean, yet discrepancies between different seasonality estimates are rather large. As part of the Regional Carbon ...

    • Seasonal variations and feedback from microplastics and cadmium on soil organisms in agricultural fields 

      Jiang, Xiaofeng; Yang, Yang; Wang, Qian; Liu, Na; Li, Mei (Journal article; Peer reviewed, 2022)
      Plastic film mulching is an important agricultural technology that plays a critical role in increasing crop yield and maintaining soil moisture. However, long-term coverage and untimely recovery lead to a large amount of ...

    • The sensitivity of the Eocene-Oligocene Southern Ocean to the strength and position of wind stress 

      Xing, Qianjiang; Munday, David; Klocker, Andreas; Sauermilch, Isabel; Whittaker, Joanne (Peer reviewed; Journal article, 2022)
      The early Cenozoic opening of the Tasmanian Gateway (TG) and Drake Passage (DP), alongside the synergistic action of the westerly winds, led to a Southern Ocean transition from large, subpolar gyres to the onset of the ...

    • Sequential extraction procedure to obtain the composition of terrigenous detritus in marine sediments 

      Simon, Margit Hildegard; Babin, Daniel P.; Goldstein, Steven L.; Cai, Merry Yue; Liu, Tanzhuo; Han, Xibin; Haws, Anne A.; Johns, Matthew; Lear, Caroline H.; Hemming, Sidney R. (Peer reviewed; Journal article, 2020)
      The geochemical and isotopic composition of terrigenous clays from marine sediments can provide important information on the sources and pathways of sediments. In order to extract the detrital signal from bulk marine ...

    • A ShK-like Domain from Steinernema carpocapsae with Bioinsecticidal Potential 

      Frias, Jorge; Toubarro, Duarte; Bjerga, Gro Elin Kjæreng; Puntervoll, Pål; Vicente, João B.; Reis, Rui L.; Simões, Nelson (Peer reviewed; Journal article, 2022)
      Entomopathogenic nematodes are used as biological control agents against a broad range of insect pests. We ascribed the pathogenicity of these organisms to the excretory/secretory products (ESP) released by the infective ...

    • Simulated contribution of the interdecadal Pacific oscillation to the west Eurasia cooling in 1998-2013 

      Suo, Lingling; Gastineau, Guillaume; Gao, Yongqi; Liang, Yu-Chiao; Ghosh, Rohit; Tian, Tian; Zhang, Ying; Kwon, Young-Oh; Otterå, Odd Helge; Yang, Shuting; Matei, Daniela (Peer reviewed; Journal article, 2022)
      Large ensemble simulations with six atmospheric general circulation models involved are utilized to verify the interdecadal Pacific oscillation (IPO) impacts on the trend of Eurasian winter surface air temperatures (SAT) ...

    • Simulations of ocean deoxygenation in the historical era: insights from forced and coupled models 

      Takano, Yohei; Ilyina, Tatiana; Tjiputra, Jerry; Eddebbar, Yassir A.; Berthet, Sarah; Bopp, Laurent; Buitenhuis, Erik; Butenschön, Momme; Christian, James R.; Dunne, John P.; Gröger, Matthias; Hayashida, Hakase; Hieronymus, Jenny; Koenigk, Torben; Krasting, John P.; Long, Mathew C.; Lovato, Tomas; Nakano, Hideyuki; Palmieri, Julien; Schwinger, Jörg; Séférian, Roland; Suntharalingam, Parvadha; Tatebe, Hiroaki; Tsujino, Hiroyuki; Urakawa, Shogo; Watanabe, Michio; Yool, Andrew (Peer reviewed; Journal article, 2023)
      Ocean deoxygenation due to anthropogenic warming represents a major threat to marine ecosystems and fisheries. Challenges remain in simulating the modern observed changes in the dissolved oxygen (O2). Here, we present an ...

    • SIOS’s Earth Observation (EO), Remote Sensing (RS), and operational activities in response to COVID-19 

      Jawak, Shridhar D.; Andersen, Bo N.; Pohjola, Veijo; Godøy, Øystein; Hübner, Christiane E.; Jennings, Inger; Ignatiuk, Dariusz; Holmen, Kim; Sivertsen, Agnar; Hann, Richard; Tømmervik, Hans; Kääb, Andreas; Błaszczyk, Małgorzata; Salzano, Roberto; Luks, Bartłomiej; Høgda, Kjell Arild; Storvold, Rune; Nilsen, Lennart; Salvatori, Rosamaria; Krishnan, Kottekkatu Padinchati; Chatterjee, Sourav; Lorentzen, Dag Arne; Erlandsson, Rasmus; Lauknes, Tom Rune; Malnes, Eirik; Karlsen, Stein Rune; Enomoto, Hiroyuki; Fjæraa, Ann Mari; Zhang, Jie; Marty, Sabine; Nygård, Knut Ove; Lihavainen, Heikki (Journal article; Peer reviewed, 2021)
      Svalbard Integrated Arctic Earth Observing System (SIOS) is an international partnership of research institutions studying the environment and climate in and around Svalbard. SIOS is developing an efficient observing system, ...

    • Situasjonen for laksefisk i Yndesdalsvassdraget pr. 2020 

      Lehmann, Gunnar Bekke; Barlaup, Bjørn Torgeir; Gabrielsen, Sven-Erik (LFI - Laboratorium for ferskvannsøkologi og innlandsfiske, Research report, 2020)
      Målet for denne rapporten/utredningen er å gi en oversikt over situasjonen pr. 2020 med hensyn til vannkjemiske og biologiske data, 30 år etter oppstart av kalking i Yndesdalsvassdraget. Arbeidet er i hovedsak basert på ...

    • Size dependent effects of passive integrated transponders (PIT-tags) on early life stages of salmon: a preliminary literature review 

      Vollset, Knut; Lennox, Robert J.; Mahlum, Shad Kenneth; Näslund, Joacim; Larsen, Martin H.; Thorstad, Eva B.; Frechette, Danielle; Finstad, Bengt; Davidsen, Jan Grimsrud (LFI – Laboratorium for ferskvannsøkologi og innlandsfiske, Research report, 2019)
      Passive Integrated Transponder (PIT) tags are commonly used to individually mark salmonids for assessing marine and freshwater survival, habitat use, and other aspects of life history essential for persistence of the ...

    • Sjøaurebekker i Bergen og omegn 

      Pulg, Ulrich; Barlaup, Bjørn Torgeir; Skoglund, Helge; Gabrielsen, Sven-Erik (LFI – Laboratorium for ferskvannsøkologi og innlandsfiske, Research report, 2011)
      Anadrom areal i 25 bekker i Bergen og omegn ble kartlagt etter vannforskriftens kriterier for morfologiske inngrep, status av sjøaurehabitatet og sjøaurebestanden. Kartleggingen avdekket at 19 vassdrag var tydelig forurenset. ...

    • Sjøaurehabitat i Aksnesvanssdraget 

      Pulg, Ulrich; Lehmann, Gunnar Bekke; Fagard, Pierre (LFI – Laboratorium for ferskvannsøkologi og innlandsfiske, Research report, 2013)
      Aksnesvassdraget ligger i Rogaland og strekker seg over Karmøy og Haugesund kommune. Den opprinnelig anadrome delen vurderes å ha en samlet lengde på 7.500 m (flere løp) og et elveareal på 14.000 m2. I tillegg kommer et ...

    • Slep av laksesmolt fra Storelva som avbøtende tiltak mot estuarine blandsoner - Smoltårgang 2022 

      Haraldstad, Tormod; Johansen, Kurt (LFI - Laboratorium for ferskvannsøkologi og innlandsfiske;, Research report, 2022)
      Statsforvalteren i Agder ønsket at NORCE LFI skulle videreføre fangst og transport av smolt i Storelva forbi områder med gjedde, samt områder med giftig aluminium i brakkvann. Data skulle samrapporteres med tidligere ...

    • Slowdown of Antarctic Bottom Water export driven by climatic wind and sea-ice changes 

      Zhou, Shenjie; Meijers, Andrew J.S.; Meredith, Michael P.; Abrahamsen, E. Povl; Holland, Paul R.; Silvano, Alessandro; Sallee, Jean-Baptiste; Østerhus, Svein (Peer reviewed; Journal article, 2023)
      Antarctic Bottom Water (AABW) is pivotal for oceanic heat and carbon sequestrations on multidecadal to millennial timescales. The Weddell Sea contributes nearly a half of global AABW through Weddell Sea Deep Water and ...