translate English to French: The Arctic climate programs are less sophisticated than in the Atlantic and Pacific, but include through-flow monitoring in key straights of ocean current through full depth, ice drift, temperature and salinity at the seabed and acoustic backscatter from zooplankton.
Cinq nouveaux sites nordiques ont été établis : à Alert, sur l’île Ellesmere; à Qikiqtarjuaq, sur l’île de Baffin; à Nain, au Labrador; et à Holman, sur l’île Victoria.