stratigraph (version 0.66)

mohawk: Mohawk Pond

Description

A pollen core from Mohawk Pond, Connecticut in the data structure produced by readGPDascii

Usage

data(mohawk)

Format

The output format is a data frame with columns:

$counts

count matrix with species in columns, depths in rows

num [1:50, 1:101] 0 0 0 0 0 0 0 0 0 1 ...

..- attr(*, "dimnames")=List of 2

.. ..$ : chr [1:50] "10" "50" "85" "110" ...

.. ..$ : chr [1:101] "Abi " "Ace.ne " "Ace.ru " "Ace.sc-t" ...

$depths

num [1:50] 10 50 85 110 140 190 210 250 290 310 ...

$sample.names

chr [1:50] " " " " " " " " ...

$absolute.ages

num [1:50] 200 365 602 814 1103 ...

$taxa

chr [1:101] "Abies" "Acer negundo" "Acer rubrum" "Acer saccharinum-type" ...

$short.names

chr [1:101] "Abi " "Ace.ne " "Ace.ru " "Ace.sc-t" ...

$tax.cat

Factor w/ 8 levels "-","A","B","F",..: 2 2 2 2 2 2 2 2 2 2 ...

Source

ftp://ftp.ncdc.noaa.gov/pub/data/paleo/pollen/asciifiles/fossil/ascfiles/gpd/mohawk.txt

References

Steventon, R.L., and J.E. Kutzbach. 1983. University of Wisconsin radiocarbon dates XX. Radiocarbon 25:152-168.

Steventon, R.L., and J.E. Kutzbach. 1986. University of Wisconsin radiocarbon dates XXIII. Radiocarbon 28:1206-1223.

Gaudreau, D.C. 1986. Late-Quaternary vegetational history of the northeast: paleoecological implications of topographic patterns in pollen distributions. Dissertation. Yale University, New Haven, Connecticut, USA.

Steventon, R.L., and J.E. Kutzbach. 1984. University of Wisconsin radiocarbon dates XXI. Radiocarbon 26:135-147.

Examples

data(mohawk)
str(mohawk)