Table 1 Air–sea CO2 flux and its impact on bottom-water DIC and pH in the middle Chesapeake Bay

From: Redox reactions and weak buffering capacity lead to acidification in the Chesapeake Bay

Month Year

Air pCO2

Water pCO2

Wind speed

CO2 flux

ΔDIC

ΔpH

 

µatm

µatm

m s−1

mmol m−2 d−1

μmol kg−1

 

August 2013

380.2 ± 11.2

309.1 ± 99.3

4.4 ± 2.3

−4.3 ± 0.4

21.2

−0.081

August 2014

373.1 ± 9.1

251.6 ± 70.9

4.2 ± 2.2

−6.7 ± 0.7

33.1

−0.13

April 2015

409.1 ± 8.8

341.3 ± 116.6

5.8 ± 3.6

−6.6 ± 0.9

32.6

–

  1. The mid-bay region is defined as the area between 37.9 and 39.0° N. Monthly averaged wind data were calculated from National Data Buoy Center station# COVM2-8577018 at Cove Point LNG Pier, MD
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