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English: Estimated change in sea surface pH from the pre-industrial period (1700s) to the present day (1990s). Δ pH here is in standard pH units. This change is caused by the invasion of anthropogenic CO2 (see Ocean acidification). Calculated using Richard Zeebe's csys package with data from the Global Ocean Data Analysis Project[1][2] and World Ocean Atlas[3] climatologies. Δ pH is plotted here using a Mollweide projection (using MATLAB and the M_Map package). Note that the GLODAP climatology is missing data in certain oceanic provinces including the Arctic Ocean, the Caribbean Sea, the Mediterranean Sea and the Malay Archipelago.
Română: Variaţia estimativă a pH-ului de la suprafaţa apei începând cu perioada pre-industrială (anii 1700) şi terminând cu anii 1990. Δ pH este indicată în unităţi standarte. Schimbarea valorii pH-ului a fost determinată preponderent de cantitatea mare de CO2 produsă de factorul antropogen. Valoriule au fost calculate utilizând pachetul csys al lui Richard Zeebe cu date de la Global Ocean Data Analysis Project[1][2] şi din World Ocean Atlas.[3] Imaginea a fost executată prin proiecţie Mollweide (fiind utilizate MATLAB şi pachetul M_Map). Notă: climatologii de la GLODAP nu dispun de date privind unele zone ale oceanului planetar, şi anume din Oceanul Arctic, Marea Caraibilor, Marea Mediterană.
Date
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Author Plumbago
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References

  1. ↑ a b Gruber, N., Sarmiento, J.L. and Stocker, T.F. (1996). An improved method for detecting anthropogenic CO2 in the oceans, Global Biogeochemical Cycles 10:809–837
  2. ↑ a b Using estimated pre-industrial (1700s) and measured present day (1990s) fields of DIC
  3. ↑ a b In the absence of estimated pre-industrial (1700s) fields of temperature and salinity, present day (1990s) fields were used (although these contain a small signal from global warming)

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current16:16, 2 April 2007Thumbnail for version as of 16:16, 2 April 20071,683 × 1,133 (232 KB)Nils Simon== Summary == Change in sea surface pH from the pre-industrial period (1700s) to the present day (1990s). Calculated using [http://www.soest.hawaii.edu/oceanography/faculty/zeebe.html Richard Zeebe]'s [http://www.soe

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