Answer Happy

Posted: **Wed May 18, 2022 4:02 pm**

: 7 Research Suggests That Over The Last Few Hundreds Of Thousands Of Years Changes In Atmospheric Co Concentration Som 1 (24.63 KiB) Viewed 58 times

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7. Research suggests that over the last few hundreds of thousands of years, changes in atmospheric CO, concentration sometimes lagged behind a temperature increase by perhaps 1000 years--indicating that "feedback" loops associated with a warmer climate might lead to increasing CO2 in the atmosphere rather than the other way around. (a) Are any such "lags" visible in Figure 24-5? (b) Looking at Figures 24-1 and 24-2, does the recent increase in global temperature exhibit such a lag?
400 MLHOTA Atmospheric samples (Mauna Loa) Ice core (Law Dome) 375 350 au Carbon Dioxide (parts per million) 325 300 Figure 24-1: Change in atmospheric carbon dioxide concentration from 1750-2015. The dark line shows values derived from ice cores at Law Dome, Antarctica; the light line shows measured values from Mauna Loa, Hawai'i. (From Hess, McKnight's Physical Geography, 12th ed.) 275 250 1750 1800 1850 1900 1950 2000 Year 166
EXERCISE 24: Weather Variability and Climate Change 0.75 0.50 Global Land-Ocean Temperature Index Data source: NASA/GISS Annual mean 5-year mean 0.25 Temperature Anomaly (0) 0.00 -0.25 امام بار بار ایسا 2020 2010 2000 -0.50 1880 1890 1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 Year Figure 24-2: Average global temperature over land and ocean, 1880-2014, showing temperature difference relative to the 1951-1980 average. (From Hess, McKnight's Physical Geography, 12th ed.)