Topic
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14 Life Below Water
2
1443
6
14C ages
1
16S RIBOSOMAL-RNA
1
16S rDNA/rRNA
1
16s Rrna Gene
1
1819-1907
2
1854-1930
1
1872-1928
1
1873 benjamin leigh smith expedition
1
1874 transit of venus expedition
1
18S rDNA
2
1901 Earth and Planetary Sciences (miscellaneous)
2
1902 Atmospheric Science
1
1904 Earth-Surface Processes
3
1906 Geochemistry and Petrology
1
1907 Geology
1
1908 Geophysics
1
1910 Oceanography
10
1911 Palaeontology
4
1912 Space and Planetary Science
1
1914-1995
1
1918-1992
1
1926-1992
1
1928-1985
1
1936 Potomac River Great Flood
1
1990S
1
1999 Marion Island Oceanographic Survey
2
19999 Mathematical Sciences not elsewhere classified
4
2.2 Factors relating to the physical environment
1
20 Hz pulse
1
2012 record heat wave
1
2012-2013 winter
2
2016 heatwave
1
2018
1
210Pb
1
21st Century
1
2300
1
2300 Environmental Science
1
2303 Ecology
5
2308 Management
1
2310 Pollution
1
2312 Water Science and Technology
1
239901 Biological Mathematics
1
24-hour daylight
1
251002 OceanografĂa quĂmica
2
259902 Environmental Chemistry (incl. Atmospheric Chemistry)
1
260104 Sedimentology
1
260400 Oceanography
1
260603 Ionospheric and Magnetospheric Physics
1
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