Sevastopol Bay and shelf survey, 2017

A 75,872-return survey of Sevastopol Bay and the adjacent Black Sea shelf from 14 to 20 November 2017, measuring chlorophyll-a, CDOM, and suspended matter

Published figures

Interpolated campaign fields, reproduced in their original published form.

Interpolated chlorophyll a field mapped along the lidar track, Sevastopol Bay, 2017 campaign — Fig. 1Chlorophyll a

Interpolated CDOM field mapped along the lidar track, Sevastopol Bay, 2017 campaign — Fig. 2CDOM

Interpolated total suspended matter field mapped along the lidar track, Sevastopol Bay, 2017 campaign — Fig. 3TSM

Sevastopol BayBlack Sea

● Sevastopol 2017, 2017-11-14 – 2017-11-2075,872 measurements IDW interpolation, 600 samples

Chl-a0.080.30µg/L

CDOM3.014.61a.u.

TSM2.8825.5mg/L

Fig. 4 Campaign measurement record. 75,872 lidar returns are plotted along the vessel track for Chl-a, CDOM, TSM. The field view applies inverse-distance weighting to the same observations; the shoreline is from Natural Earth.

From 14 to 20 November 2017, a LIF lidar collected 75,872 returns across Sevastopol Bay and the adjacent Black Sea shelf. Chlorophyll-a, CDOM, and total suspended matter were measured together throughout the route.

Chlorophyll-a remained low, near 0.13 µg/L, while CDOM and suspended matter accounted for most of the spatial variation. Median CDOM was approximately 3.6 a.u., and suspended matter exceeded 15 mg/L at some nearshore locations.