Home > CRUTEMP, ERSST, GHCN, GIStemp, HadSST, Natural Variability > Natural Variability 1 – One World, Two Cuts

Natural Variability 1 – One World, Two Cuts

2011 February 15

This is a sparse post. It just a test spin on my way to looking for regional trends. Lots of tables, little code.

T = 135 Years GIS CRU NCDC
NH Land Yes Yes Yes
NH Ocean NA No Yes
SH Ocean NA Yes Yes
SH Land Yes Yes Yes

T = 67.5 Years GIS CRU NCDC
NH Land Yes Yes Yes
NH Ocean NA Yes Yes
SH Ocean NA Yes No
SH Land No Yes No

T = 45 Years GIS CRU NCDC
NH Land Yes Yes Yes
NH Ocean NA Yes Yes
SH Ocean NA Yes Yes
SH Land No Yes No

T = 33.75 Years GIS CRU NCDC
NH Land No Yes Yes
NH Ocean NA Yes Yes
SH Ocean NA No No
SH Land Yes No Yes

T = 27 Years GIS CRU NCDC
NH Land Yes No No
NH Ocean NA No No
SH Ocean NA Yes Yes
SH Land No No No

T = 22.5 Years GIS CRU NCDC
NH Land No No No
NH Ocean NA No No
SH Ocean NA Yes No
SH Land No No Yes

T = 19.28 Years GIS CRU NCDC
NH Land No Yes Yes
NH Ocean NA Yes No
SH Ocean NA Yes No
SH Land Yes No Yes

T = 15.0 Years GIS CRU NCDC
NH Land No No No
NH Ocean NA No No
SH Ocean NA Yes No
SH Land Yes Yes Yes

T = 13.5 Years GIS CRU NCDC
NH Land Yes No No
NH Ocean NA No No
SH Ocean NA No No
SH Land Yes Yes Yes

T = 9.0 Years GIS CRU NCDC
NH Land Yes No No
NH Ocean NA Yes Yes
SH Ocean NA No No
SH Land Yes No No

GISTEMP (trend-hemi-gis.R)
# Land Only
# 1/spgl$freq[spgl$spec>400]
# [1] 135.000000 67.500000 45.000000 27.000000 15.000000 13.500000
# [7] 7.941176 6.750000 6.428571 6.136364 5.192308 4.821429
#[13] 4.354839 4.218750 3.857143 3.000000 2.872340 2.213115
# 1/spnh$freq[spnh$spec>400]
# [1] 135.000000 67.500000 45.000000 27.000000 22.500000 16.875000
# [7] 13.500000 12.272727 11.250000 9.000000 8.437500 7.941176
#[13] 6.750000 5.192308 5.000000 4.821429 4.354839 4.218750
#[19] 3.857143 3.552632 3.461538 3.068182 3.000000 2.872340
#[25] 2.368421 2.177419 2.045455
# 1/spsh$freq[spsh$spec>400]
# [1] 135.000000 33.750000 19.285714 15.000000 13.500000 9.000000
# [7] 7.941176 6.428571 6.136364 5.192308 4.655172 4.500000
#[13] 4.354839 3.750000 3.648649 2.327586 2.045455


CRUTEM3/HADSST2 (trend-hemi-cru.R)
# Land Only
# 1/spgl$freq[spgl$spec>0.05]
# [1] 135.000000 67.500000 45.000000 19.285714 5.192308 4.218750
# 1/spnh$freq[spnh$spec>0.05]
# [1] 135.000000 67.500000 45.000000 33.750000 19.285714 12.272727
# [7] 7.500000 5.192308 4.821429 4.218750 3.970588
# 1/spsh$freq[spsh$spec>0.05]
# [1] 135.000000 67.500000 45.000000 15.000000 13.500000 9.000000
# [7] 6.428571 4.218750 3.648649 3.552632

# Ocean Only
# 1/spgl$freq[spgl$spec>0.05]
# [1] 135.00000 67.50000 45.00000 33.75000 22.50000 19.28571 9.00000
# 1/spnh$freq[spnh$spec>0.05]
# [1] 67.50 45.00 33.75 13.50 9.00
# 1/spsh$freq[spsh$spec>0.05]
# [1] 135.00000 67.50000 45.00000 27.00000 22.50000 19.28571 15.00000


NCDC GHCN/ERSSTv3b (trend-hemi-ncdc.R)
# Land Only
# 1/spgl$freq[spgl$spec>0.05]
# [1] 135.000000 67.500000 45.000000 33.750000 19.285714 5.192308
# [7] 4.821429 3.970588 3.552632 2.045455 2.014925
# 1/spnh$freq[spnh$spec>0.05]
# [1] 135.000000 67.500000 45.000000 33.750000 19.285714 9.642857
# [7] 9.000000 8.437500 7.500000 5.400000 5.192308 4.821429
# [13] 4.655172 4.218750 3.970588 3.552632 2.500000 2.454545
# [19] 2.045455 2.014925
# 1/spsh$freq[spsh$spec>0.05]
# [1] 135.000000 67.500000 33.750000 22.500000 19.285714 15.000000
# [7] 13.500000 6.428571 4.218750 3.648649 3.552632 3.214286

# Ocean Only
# 1/spgl$freq[spgl$spec>0.05]
# [1] 135.0 67.5 45.0
# 1/spnh$freq[spnh$spec>0.05]
# [1] 67.50 45.00 33.75 9.00
# 1/spsh$freq[spsh$spec>0.05]
# [1] 135 45 27

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