Kirill Kivva Russian Federal Research Institute of Fisheries and Oceanography VNIRO Ice margin IV and V and summer currents in the Bering Sea Introduction Sources Danielson et al 2011 ID: 792274
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Slide1
Nutrient fields in the Bering Sea: available data and results
Kirill KivvaRussian Federal Research Instituteof Fisheries and Oceanography (VNIRO)
Slide2Ice margin (IV and V) and summer currents in the Bering SeaIntroductionSources:
Danielson et al., 2011; Basyk, 2009; Khen, 2001; Khen et al., 2013; Coachman, 1986; Kinder and Schumacher, 1981; Kinney et al., 2009; Ladd, 2014; Panteleev et al., 2006, 2011; Stabeno et al., 2016; Verkhunov et al., 1995;
Slide3WOD’13 (NODC, USA)JAMSTEC (R/V Mirai, JPN)BEST/BSIERP (USA)
TINRO-Center (R/V TINRO, R/V Professor Kaganovsky – credits: Dr. Vladimir Matveev, RUS)Hokkaido U. (R/V Oshoro Maru – credits: Dr. Toru Hirawake, JPN)BASIS (credits: Lisa Eisner, USA)CHINARE (CHN)
Data Sources
Slide4Data collection in ODV (Schlitzer, 2016)Global geodetic grid creation with package rdgridR (
Barnes et al., 2017) – Icosahedral Snyder Equal Area Aperture 3 Hexagonal GridSpatio-temporal averaging with Gaussian weighting function and truncation radius of 100 kmSchematic visualization of dataExamples of synthesized resultsApproach
Slide5Methods: hexagonal geodetic grid
Slide6Mean bathymetry in every grid cell based on GEBCO (0,1° resolution)Methods: hexagonal grid scheme
Slide7Number of decades with data (decades with ≥3 stations)Data: spatial data distribution
Ndec (DO)Ndec (Si)Ndec (P)N
dec (N-NO3
)
Slide8Multiyear mean seasonal cycle of silicate Example of results
South-Eastern ShelfNorthern Shelf
Slide9Synergetic effect of combined dataHexagonal grid perform quite wellApproach for other data analysis
Conclusion