Data and Tools for ARTS at the World Data Center for Paleoclimatology

Data and Tools for ARTS at the World Data Center for Paleoclimatology

C. Mark Eakin World Data Center for PaleoclimatologyNOAA National Geophysical Data CenterBoulder, Colorado

ARTS 2001, Noumea, New Caledonia

World Data Center for

Paleoclimatology

NOAA Paleoclimatology Program and World Data Center for Paleoclimatology

“The farther backward you can look,

the farther forward you are likely to see”

-- Winston Churchill

WDC for Paleoclimatology Mission: To provide long-term climate and other environmental data needed to understand and predict climate variability and change



Paleoclimatology

What is ARTS?

ARTS is an official project of the IGBP/PAGES International Geosphere-Biosphere Programme Past Global Changes Programme

The ARTS initiative promotes the synthesis of paleoclimatic data with instrumental and modeling perspectives to address uncertainties in our understanding of tropical climate variability and its impacts.ARTS requires a wide array of annually resolved/datable paleoclimatic data from the tropics and tropically driven locations.



Paleoclimatology

Windows into Past Centuries

An important target: to reconstruct indices of large-scale climate systems from pre-instrumental periods.

ARTS synthesis project "Climate of the Nineteenth Century,” (CNC) would coordinate analysis of climate of the past several centuries.

Other ARTS work would reconstruct climate from earlier times such as the mid-holocene or past glacial or interglacial periods.



Paleoclimatology

SST(∞ )C18 21 24 27 30

7. (-0.68)

6. (1.95)

12. (0.41)10. (1.5)

8. (1.45)9. (0.36)

14. (0.82)

13. (0.73)

3. (0.64)

2. (0.90)

1. (0.30)

15. (2.10)

16. (0.27)

5.11.

4. (1.0)

Background colors indicate mean instrumental SST field. Records at pink dots span the interval 1895-1990; white dots indicate shorter records.SST trends are calculated over the 1895-1990 period and are indicated parenthetically in °C per 100 years.

(after Bradley et al. in prep., PAGES Synthesis Volume).




Paleoclimatology


The graph shows a summary of annual resolution coral 18O isotope records, normalized to the 1923-1980 period (thick line denotes 7-year smooth ).

The data show general trends consistent with globally warmer/wetter conditions.

1600 1700 1800 1900 2000Year A.D.

1. Malindi

2. Seychelles

3. Abrolhos

4. AbrahamReef

5. Madang

6. NewCaledonia

7. Vanuatu

8. Nauru

9. Tarawa

10. Maiana

11. Kiritimati

12. Urvina Bay

13. Chiriqui

14. Clipperton

15. Cebu

16. Aqaba

(after Bradley et al. in prep., PAGES Synthesis Volume).



PaleoclimatologyWindows into Past Centuries

(a) Leading spatial pattern observed in coral data (ENSO-like mode, in dimensionless units); shading indicates 90% significance.

(b) The time series of that pattern (degrees C).

(c and d) series of second pattern: similar to global warming signal.

After Evans et al. (2000) Paleoceanography, 15

c

a b

d

SSTs reconstructed from coral 18O data at 13 sites.



PaleoclimatologyData-Model Comparisons

After Crowley (2000), Science 289

Comparison of energy balance model with instrumental data shows good fit over most of 1000 years

Particular discrepancies seen in 19th, early 20th centuries



PaleoclimatologyData-Model Comparisons

After Crowley et al. in prep.

15 Indo-Pacific Corals

Galapagos

Tarawa

Maiana

Cebu, Phillipines

New Caledonia

Santo, Vanuatu

Secas, Panama

Abraham Reef (GBR)

Moorea, French Polynesia

Aqaba

Seychelles

Abrolhos, w. Australia

Clipperton

Rarotonga SST

Malindi, Kenya



Paleoclimatology

GH3Jones 30N-30S

r = 0.66 (raw) 1865-1980 r = 0.82 (smoothed) 1865-1980

Data-Model Comparisons


Composite climate data with the addition of coral records is a good fit with Jones instrumental reconstruction



Paleoclimatology

E = S or VS ENSOM = Moderate ENSOV = volcanic eruption



Composite climate data capture major ENSO and volcanic events



Paleoclimatology

ebm 30S-90N aer=0.5 diff=1.5 sens=2.5ebm 30S-90N aer=0.5 diff=1.5 sens=3.0

r = 0.906 (1778-1992)

r = 0.94 (1778-1960)

Inst. Jones 30S-90N.sm11ClG/coral splice



Composite climate data improves fit to energy balance models over instrumental reconstructions alone



PaleoclimatologyWindows into Past Millennia

Climate researchers need high-resolution records from targeted Holocene, last-glacial and last interglacial intervals to understand how the climate system responded to boundary conditions substantially different from those prevailing today.



PaleoclimatologyData are used (and contributed by) scientists around the world

(141)Countries accessing WDC-Paleo Website (141)

Non-accessing countries



Paleoclimatology

Toulouse, France

Mendoza, Argentina

Johannesburg, South Africa

Nairobi, Kenya

Mirror Sites: Data Access and Regional Involvement

Coming Soon?Pune, IndiaLanzhou, China



Paleoclimatology

WDC-Paleo Data Holdings

Paleoclimatic Data US Global

Tree Ring 1029 1854

Pollen 474 1424

Plant Macrofossils 37 79

Corals 1 64

Ice Cores 23

Borehole Data 133 616

Fauna 219 220

Insecta 7

Paleolimnology 9 15

Paleoceanography 19 1119

Other Paleo Data 5

Total 1921 5424

Coral Data



Paleoclimatology



Tree Ring 1029 1854

Pollen 474 1424


Corals 1 62

Ice Cores 23


Fauna 219 220

Insecta 7

Paleolimnology 9 15


Other Paleo Data 5

Total 1921 5424

Tree-Ring Data



Paleoclimatology



Tree Ring 1029 1854

Pollen 474 1424


Corals 1 62

Ice Cores 23


Fauna 219 220

Insecta 7

Paleolimnology 9 15


Other Paleo Data 5

Total 1921 5424

Ice Core Data



Paleoclimatology



Tree Ring 1029 1854

Pollen 474 1424


Corals 1 62

Ice Cores 23


Fauna 219 220

Insect 7

Paleolimnology 9 15


Other Paleo Data 5

Total 1921 5424

For annual tropical records, only corals, <10 tree rings, 2 marine sediments, few ice cores



Paleoclimatology

Accessing the Data

Easy access to paleodata is now possible with the new WebMapper tool on our Web site.

ARTS Data Currently in the World Data Center

www.ngdc.noaa.gov/paleo/corals.html



Paleoclimatology

Starting from a global view, the user can select a region to explore

Accessing ARTS Data



Paleoclimatology

Accessing ARTS DataUsing the legend, you can select the proxies you want to display



Paleoclimatology

Accessing ARTS DataUsing the legend, you can select the proxies you want to display



Paleoclimatology

The user can select a site within the region

Accessing ARTS Data



Paleoclimatology

Accessing ARTS DataMetadata and publications are provided for the site



Paleoclimatology

Accessing ARTS Data

… or choose to display the data and download themThe user may view a plot of the data



Paleoclimatology

The user may choose additional sites… and compare between them.

Accessing ARTS Data



Paleoclimatology

Coral DataIce Core DataTree Ring Data

Borehole Data

Data Access Tools: GIS

http://map1.ngdc.noaa.gov/



Paleoclimatology

Data Access Tools: GIS

Coral DataIce Core DataTree Ring Data

Borehole Data

http://map1.ngdc.noaa.gov/



PaleoclimatologyWhy do we need your data?

Climate research efforts rely on the availability of high resolution paleo records to understand past climate variability.

In particular, ARTS needs your input as tropical records are scarce.



Paleoclimatology

Contributing Data This research made possible through

generous contribution of data by many paleoclimatologists to the World Data Center for Paleoclimatology.

Data Contribution"Full and open sharing of the full suite of global data sets, and other data sets needed for global change studies, is the primary objective of the IGBP." - IGBP Report No.12

"Make your data available without restrictions once published by contributing to an organization committed to long-term data availability."

Our goal at the WDC is to make data submission easy and efficient for you, to help you preserve your data as a legacy that can be used by your colleagues today AND by future generations of scientists.

The WDC has made a long term commitment to preserve your data and make it available to others. Once contributed your data will be available to others as a set of files organized by your name, date, and contribution number (accessible via the WWW, FTP, and also on diskette). Your data may also be imported into a relational database and thus accessible using database queries.

Data Policy - Frequently Asked Questions:• What about a proprietary period for exclusive use?• What if I want to have my own archive or Web site?• What about the ancillary project data that I never published?• What are the Internationally-agreed up on policies for data sharing?

International Geosphere-Biosphere Programme Data PolicyInternational Council of Scientific Unions Data Policy

How to contribute:Check the guidelines to make sure your data set is complete, and in a useable format.Contact us if you have questions about what to include or what formats are required. View the existing entries in the WDC for Paleoclimatology Contribution Series.

• Climate Forcing • Paleoceanography Data• Coral Data • Paleoclimate Model Data• Faunal Data • Paleolimnology Data• Generic Data Set • Plant Macrofossil Data• Generic Gridded Data • Pollen Data• Ice Core Data • Tree Ring Data• Insect Data

You can help in this and other efforts to consolidate our understanding of past climates.

Contribute your data to the WDC-Paleo

at: www.ngdc.noaa.gov/paleo



PaleoclimatologyContributing Data

Contributing coral data now easier with the new online contribution form



Paleoclimatology

We have nice tools to display the data,And systems to access and distribute them.There is one thing we really need:

Please, PLEASE,PLEASE,Contribute your data to the World Data Center for Paleoclimatologywww.ngdc.noaa.gov/paleo

Data Contributions are Needed

You!



Paleoclimatology

The CD-ROM has this presentationand a full demo versionof the new Multiproxy WebMapperwith our current annual, tropical data holdings.

CD-ROM Contents

WebMapper and the latest datacan be found at:www.ngdc.noaa.gov/paleo



Paleoclimatology

www.ngdc.noaa.gov/paleo

Thanks,and enjoy the meeting.


Documents

Data and Tools for ARTS at the World Data Center for Paleoclimatology