Philip E. Higuera, Melissa L. Chipman, Jennifer L. Barnes, Michael A. Urban, and Feng Sheng Hu. 2011. Variability of tundra fire regimes in Arctic Alaska: millennial-scale patterns and ecological implications. Ecological Applications 21:3211–3226.


Supplement

Age-depth models for Raven, Uchugrak, Poktovik, and Little Isac lakes, including Monte Carlo boot-strapped confidence intervals.
Ecological Archives
A021-144-S2
.

Copyright


Authors
File list (downloads)
Description


Author(s)

Philip E. Higuera
College of Natural Resources
Box 441133
University of Idaho
Moscow, ID 83844-1133
USA
E-mail: phiguera@uidaho.edu

Melissa L. Chipman
Department of Plant Biology
University of Illinois
505 South Goodwin Avenue
Urbana, IL 61801
USA

Jennifer L. Barnes
National Park Service
4175 Geist Road
Fairbanks, AK 997009
USA

Michael A. Urban
Department of Plant Biology
University of Illinois
505 South Goodwin Avenue
Urbana, IL 61801
USA


File list

LI07AgeDepthData.csv
PO07AgeDepthData.csv
RA07AgeDepthData.csv
UC07AgeDepthData.csv

Description

Each file contains the output data from the program MCAgeDepth (Higuera et al. 2009, Ecological Monographs, 79:201–219), used to create Fig. 2 in the main text. File names reference site codes: LI (Little Isac), PO (Poktovik), RA (Raven), and UC (Uchugrak).

Columns are as follows:

  1. Top depth of sample [cm]
  2. Calibrated age at sample top [cal yr BP]
  3. Upper 95% confidence intervals for data in column two.
  4. Lower 95% confidence intervals for data in column two.
  5. Sedimentation rate [cm/yr]
  6. Upper 95% confidence intervals for data in column five.
  7. Lower 95% confidence intervals for data in column five.
  8. Sample resolution [yr/sample]
  9. Upper 95% confidence intervals for data in column eight.
  10. Lower 95% confidence intervals for data in column eight.

Missing values: none.

Checksum values:

LI07AgeDepthData.csv: 1626 rows (with headers), 10 columns
Column 1 (sampleCm): 342207.5
Column 2 (calAge): 13872129
Column 5 (sedAcc): 6.46
Column 8 (sampleRes): 11623
PO07AgeDepthData.csv: 891 rows (with headers), 10 columns
Column 1 (sampleCm): 109857.45
Column 2 (calAge): 3762660
Column 5 (sedAcc): 85.0906
Column 8 (sampleRes): 5893
RA07AgeDepthData.csv: 1202 rows (with headers), 10 columns
Column 1 (sampleCm): 183722.95
Column 2 (calAge): 5859341
Column 5 (sedAcc): 41.3365
Column 8 (sampleRes): 9655
UC07AgeDepthData.csv: 784 rows (with headers), 10 columns
Column 1 (sampleCm): 80400.75
Column 2 (calAge): 2507906
Column 5 (sedAcc): 22.5125
Column 8 (sampleRes): 7904