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Frontiers in Decadal Climate Variability Proceedings of a Workshop (2016) / Chapter Skim
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Overcoming Data Limitations
Pages 35-42

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.


From page 35...
... Because the lagoon is shielded from the prevailing easterly trade winds, trace metals, particularly manganese, accumulate there gradually over time. Westerly winds associated with the onset of El Niño events produce wave action that releases manganese from the enriched lagoonal sediments, which is then incorporated into coral skeletons.
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From page 36...
... . Cobb said coral 18O r 8 records from the No orthern Line Isslands provide 10-20 points per year of e s mationequiva inform alent to monthly resolution records that can be directly compared t n to monthly-resolved in nstrumental climate records and climate model output A suite of co s t.
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From page 37...
... . NOTE: Coral oxygen isotopic records fro the Norther Line Islands capture natural and om rn anthropoge enic decadal-sccale variability (i.
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From page 38...
... truction" so far clearly shows the later 20t th-century trend toward lighte oxygen isotop indicating warmer and fre d er pes, esher ocean sur rface water cond ditions. NOTES: Monthly-resolved coral oxyg isotopic (18 O)
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From page 39...
... This is important, Menne said, be station rec ecause artificia shifts at local stations, al such as staation moves, instrument ch hanges, land use changes, a time of ob u and bservation changes, can be larger than the climate signal, and the impact o such chang can be c d of ges quantified by comparin nearby stati records. Globally today there is ove d ng ion G y, ersampling at
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From page 40...
... Produc of this data assimilation c cts can then be used to stud climate var dy riability over l onger timesca than the s ales strictly observvational record would allow Different te ds w. echniques lea to different pitfalls in the use ad e of thes products: fo example, Veronica Nieve NASA Jet P se or V es, Propulsion Laaboratory, presennted some resu that show the limitation of ocean re ults ns eanalyses prodducts in captu uring the dep trend.
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From page 41...
... 3 Reanalysi refers to the reprocessing of observational data spanning a historical pe is r d an eriod using a consistent modern analysi system. m is 4 ERA40 is a widely respected reanalysis by the Europea Centre for M an Medium-Range Weather Forecasts (E ECMRWF)
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From page 42...
... . ms et FIGURE 24 Results from ECCO version 4 confirm that whereas SST ma have stagnat over the period 1992-2011 4 E w ay ted 1, ocean heat content increa has not.
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Key Terms

  • coral records
  • westerly winds
  • line islands
  • tropical pacific
  • kim cobb

  • trade winds
  • climate var
  • climate records
  • climate reco
  • fossil coral

  • living coral
  • pacific ocean
  • global warming
  • coral skeletons
  • equatorial pacific

  • pacific sst
  • pacific surface
  • decadal variability
  • wind strength
  • christmas island

  • westerly facing
  • ocean heat
  • land datas
  • northern line
  • surface temperature

  • global mean
  • heat content
  • frequent pulses
  • ecco versio
  • model output


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