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Aquaculture Environment Interactions

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AEI 13:111-119 (2021)  -  DOI:

Rapid water temperature variations at the northern shelf of the Yellow Sea

Lars Asplin1,*, Fan Lin2,3,4, W. Paul Budgell1, Øivind Strand1

1Institute of Marine Research, PB 1870 Nordnes, 5817 Bergen, Norway
2Yellow Sea Fisheries Research Institute, CAFS, 106 Nanjing Rd, 266000 Qingdao, PR China
3Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, 1 Wenhai Rd, Aoshanwei, 266237 Qingdao, PR China
4Geophysical Institute, University of Bergen, PB 7803, 5020 Bergen, Norway
*Corresponding author:

ABSTRACT: During summer, there is great spatial variability in bottom water temperature on the northern shelf of the Yellow Sea. This variability is associated with a thermal front along the shelf. Oscillatory currents from semidiurnal and fortnightly period tides transport water masses laterally, resulting in oscillations of bottom water temperature at fixed positions, sometimes with large amplitudes. Temperature variations, as demonstrated in the present work, can cause damage to bottom-cultured scallops. In particular, in the scallop sea ranching area near Zhangzidao Island, such oscillations are evident in late summer. We constructed a spatial index of aggregated temperature variability from current model results identifying how temporal variability during the summer period varies in space. This information can be useful both in selecting favorable ranching areas and designing laboratory stress experiments on aquaculture candidate species.

KEY WORDS: Northern Yellow Sea shelf · Sea ranching · Current modelling · Yellow Sea Model · Tidal front

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Cite this article as: Asplin L, Lin F, Budgell WP, Strand Ø (2021) Rapid water temperature variations at the northern shelf of the Yellow Sea. Aquacult Environ Interact 13:111-119.

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