Evgeny Vyazilov RIHMI-WDC EMODNET Chemistry 2 Annual Meeting, June 17-18 2014, Split, Croatia WP1: Data collection and metadata compilation in Black Sea Partner contribution: RIHMI-WDC Evgeny Vyazilov RIHMI-WDC

Black Sea: general information Period: 1957-1997; Size: 456 cruises, 15366 oceanographic stations; The main sources: North-Caucasus department HMS Ships: GIDROFIZIK, BAR, VOLNA, OKEANOGRAF, BRIZ, GRADIENT, ZADORNYI , ALEKSANDR VLASOV, DEDAL, AGAT, IZUMRUD, NERPTUN, LAZURIT, GORIZONT Number of profiles for hydrochemical parameters (total) T S O2 pH Alk PO4 Ptot SiO3 NO2 NO3 NTOT 15366 15328 15160 12270 10647 9356 579 9136 8386 1402 38

Black Sea: temporal data coverage

Black Sea: spatial data coverage Total of oceanographic stations Phosphorus Phosphorus Nitrates

Black Sea: after 1990 Number of profiles for hydrochemical parameters (22 cruises) T S O2 pH Alk PO4 SiO3 NO2 NO3 Ptot Nitrogen 637 631 598 571 523 560 565 170 198 37 In 2013-2014 the 637 CDIs files have been prepared. The contribution to phosphate data set is 1793 profiles.