MESA VERDE
Environment of Mesa Verde, Colorado
Wetherill Mesa Studies
NPS Logo

contents

Cover

Foreword

Acknowledgments

Chapter 1: INTRODUCTION

Geology and Soils
Vegetation
Climate

Chapter 2: DESIGN OF THE STUDY

Environment Factor Measurements

Chapter 3: DESCRIPTION OF THE STANDS

Lowest Mesa-top Site, M—1
Middle Mesa-top Site, M—2
Highest Mesa-top Site, M—3
Canyon-bottom Site, C—2
Southwest Exposure Canyon - slope Site, C—1
Northeast Exposure Canyon - slope Site, C—3

Chapter 4: DISCUSSION OF SITE INTERRELATIONS

Soil and Vegetation Relationships of Selected Sites
Comparison of 1962 and 1963 Weather
Comparison of Individual Factors between Sites
Comparison of Weather Bureau Station and M—2 Site
Comparison of Mesa-top Sites
Comparison of Middle Mesa-top and Canyon-bottom Sites
Comparison of Canyon Sites

Chapter 5: THE ENVIRONMENT AND THE PREHISTORIC OCCUPATION

Evidence of Prehistoric Climate
Influence of Environment on the Puebloan Culture

REFERENCES

APPENDIX: Annual Summaries of Environment Data


illustrations

1 Map of Mesa Verde National Park and vicinity, showing location of environment measurement sites

2 Recording instruments at M—2

3 A 3-cup totalizing anemometer atop tree at canyon-bottom site

4 Characteristic vegetation at M—1

5 M—2 site near park headquarters

6 Characteristic vegetation at M—2

7 M—3 site at North Rim, in late winter

8 Black sagebrush-grass community near M—3

9 Oak thicket, recovered from mid-19th century burn, near M—3

10 Navajo Canyon setting of canyon-bottom and slope sites

11 C—2 site at bottom of Navajo Canyon

12 C—1 site on west-southwest-facing slope in Navajo Canyon

13 C—1 instrument shelter and surrounding area

14 C—3 instrument shelter and surrounding area, across the canyon from C—1

15 Graph showing soil moisture content and precipitation at the six sites in 1962 and 1963

16 Graphic comparison of monthly precipitation in 1962 and 1963 at the mesa-top sites and at the canyon-bottom site

17 Graph showing relationship of air temperatures to exposure under cloudless skies in June and December 1963 at the canyon-slope sites, C—1 and C—3

18 Air-temperature profiles of the west-south-west-facing slope in Navajo Canyon, showing pronounced cold-air drainage at the bottom and the "thermal zone" on the talus

19 Graph showing average wind velocities at the mesa-top and at the canyon bottom sites in 1962 and 1963

20 Graph showing progressions of five climatic variables at M—2 and C—2 sites on a cloudless day

21 Map showing locations of prehistoric farming terraces on Wetherill Mesa and in adjacent canyons


tables
1 Weather data, Mesa Verde National Park
2 List of species observed in the environment measurement sites
3 Tree data at M—1
4 Soil profile underlying M—1 juniper-pinyon/bitterbrush stand
5 Soil moisture constants in percent dry weight
6 Some climatic factors of the mesa-top sites
7 Tree data at M—2
8 Soil profile underlying M—2 pinyon-juniper/mutton grass stand
9 Soil profile underlying M—3 mountain brush vegetation
10 Soil profile underlying C—2 big sagebrush/cheatgrass stand
11 Some climatic factors of the canyon sites
12 Tree data at C—1
13 Soil profile underlying the C—1 juniper-pinyon/big sagebrush stand
14 Tree data at C—3
15 Soil profile underlying C—3 pinyon-juniper/mountain brush stand

Library of Congress Catalog Card Number: 72-600243



<<< Previous <<< Contents>>> Next >>>


archeology/7b/contents.htm
Last Updated: 16-Jan-2007