The Arctic Environmental Problems - New Ecoinformatics Tools in Environmental Science: Applications and Decision-making - page 516

Fig. 6.4 Arctic marine food web

Fig. 6.5 The scheme of trophic loads between the elements of the Arctic ecosystem

XðÞ and on the south boundary of the Norwegian Sea Xð . The aquatory Ω is

divided in depth z by step ʔ z. The distribution of depths is given as the matrix

where h ij ¼ H ðu i ; k j Þ; ðu i ; k j Þ2X ij :

H ¼ h ij As a result, the full water volume

of Ω is divided into volumetric compartments

N ijk ¼ ð u; k; z Þ u i uu i þ 1

; k j kk j þ 1 ;

z k z z k þ 1

N ijk the water body is considered as a
homogeneous structure. The water temperature, salinity, density and biomass of the

r ijk ¼ Du i Dk j D

with volumes z k . Within