Climate of the White Sea catchment and scenarios of climate and river runoff changes

Filatov, Nikolai; Nazarova, Larisa; Salo, Ju A.; Tolstikov, A. V.

doi:10.1007/3-540-27695-5_3

Cited by 2 publications

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“…The period from the early 1940s until the first half of the 1980s was characterised by general cooling, but from the mid‐1980s onwards, temperatures increased (Tolstikov et al. 2004; Filatov et al. 2005b).…”

Section: Discussionmentioning

confidence: 99%

“…2005a), the pattern of inter‐annual variation of thermal regime is not expected to be very different from that in the entrance of Chupa Inlet. River discharge, which can potentially strongly affect benthic communities in the coastal zone, also shows no well expressed trends or major changes (Filatov et al. 2005b).…”

Section: Discussionmentioning

confidence: 99%

“…In the White Sea, the ‘youngest’ sea of Europe (existing only since the beginning of the Holocene), belonging to both the Northeast Atlantic and Arctic realms and characterised by a very peculiar oceanographical regime (Berger & Naumov 2001; Filatov et al. 2005a,b), there has been no attempt to analyse historical datasets on subtidal benthic communities.…”

Section: Introductionmentioning

confidence: 99%

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Biomass, commonly occurring and dominant species of macrobenthos in Onega Bay (White Sea, Russia): data from three different decades

2011

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Onega Bay is the largest bay in the White Sea, characterised by shallow depth, a range of sediment types and strong tidal currents. All these factors provide conditions for high species richness and biomass. This study reviews data from three surveys of sublittoral macrobenthos undertaken by Russian institutes: the benthic survey covering the entire Onega Bay in 1952; the survey performed in the northern part of the area in 1981/90, and a study carried out in 2006 in the eastern part of the bay. In total, data from 107 stations were analysed. The data in different surveys were collected by different grab types. The datasets of both 1981/90 and 2006 overlap the 1952 survey area. The pattern of biomass distribution was consistent between the years of survey and was characterised by the low biomass at the northern periphery of the bay and the highest biomass observed in the coastal waters of the Solovetsky Islands. Bivalves and cirripeds (mostly Modiolus modiolus, Arctica islandica, Balanus balanus and Verucca stroemia) dominated in biomass. Neither the biomass share of dominant species nor the frequency of occurrence of several common species in these groups changed markedly between 1952 and 1981/90. Although the results of the 2006 survey appear somewhat different from the patterns of previous years, this does not indicate major changes in the benthic communities, because the survey in 2006 was designed in a different way and its overlap with the 1952 survey was minimal. However, the dominant species (by biomass) –A. islandica, M. modiolus and V. stroemia– held their leading positions. Results of the multidimensional scaling analysis based on the biomass data for all taxa encountered in the 1952 survey indicate considerable mixing of the samples from all surveys. This may be interpreted as the absence of major shifts in the sublittoral communities of the macrobenthos of Onega Bay at decadal scale. This kind of stability may be explained by an oceanographical regime resilient to climate variation and a relatively low anthropogenic environmental impact when compared to other shallow European seas.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Biomass, commonly occurring and dominant species of macrobenthos in Onega Bay (White Sea, Russia): data from three different decades

2011

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“…extending for about 400 km north-south and 500 km east-west, and is situated between the Barents Sea to the north and the White Sea to the south and east. The climate is subject to the moderating influence of the ocean, being dominated by the advection of heat and moisture from the North Atlantic, and in particular the North Atlantic Current that flows along its northern shore (e.g., Filatov et al 2005;Matishov et al 2012). As a consequence, the regional climate comprises cool, rainy summers and relatively mild winters (Ilyashuk et al 2013).…”

Section: Introductionmentioning

confidence: 99%

Climate Change in the Kola Peninsula, Arctic Russia, during the Last 50 Years from Meteorological Observations

2016

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The authors provide a detailed climatology and evaluation of recent climate change in the Kola Peninsula, Arctic Russia, a region influenced by both the North Atlantic and Arctic Oceans. The analysis is based on 50 years of monthly surface air temperature (SAT), precipitation (PPN), and sea level pressure (SLP) data from 10 meteorological stations for 1966-2015. Regional mean annual SAT is ;08C: the moderating effect of the ocean is such that coastal (inland) stations have a positive (negative) value. Examined mean annual PPN totals rise from ;430 mm in the northeast of the region to ;600 mm in the west. Annual SAT in the Kola Peninsula has increased by 2.38 6 1.08C over the past 50 years. Seasonally, statistically significant warming has taken place in spring and fall, although the largest trend has occurred in winter. Although there has been no significant change in annual PPN, spring has become significantly wetter and fall drier. The former is associated with the only significant seasonal SLP trend (decrease). A positive winter North Atlantic Oscillation (NAO) index is generally associated with a warmer and wetter Kola Peninsula whereas a positive Siberian high (SH) index has the opposite impact. The relationship between both the NAO and SH and the SAT is broadly coherent across the region whereas their relationship with PPN varies markedly, although none of the relationships is temporally invariant. Reduced sea ice in the Barents and White Seas and associated circulation changes are likely to be the principal drivers behind the observed changes.

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Climate of the White Sea catchment and scenarios of climate and river runoff changes

Cited by 2 publications

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Biomass, commonly occurring and dominant species of macrobenthos in Onega Bay (White Sea, Russia): data from three different decades

Biomass, commonly occurring and dominant species of macrobenthos in Onega Bay (White Sea, Russia): data from three different decades

Climate Change in the Kola Peninsula, Arctic Russia, during the Last 50 Years from Meteorological Observations

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