Recommended
More Related Content
What's hot
What's hot (19)
Viewers also liked
Similar to BurakowskiEA_DartmouthEARS14_20160405
Similar to BurakowskiEA_DartmouthEARS14_20160405 (20)
More from CoCoRAHS_Albedo
Recently uploaded
Recently uploaded (20)
BurakowskiEA_DartmouthEARS14_20160405
- 1. Climate impacts of land cover and land use Elizabeth Burakowski, Visiting Scientist National Center for Atmospheric Research & University of New Hampshire 2016-04-05 Dartmouth EARS14 Meteorology 1 Reynoldston, NY Historical Society
- 2. 2 How on Earth did I get here?? Fall Freshman Biology/Pre-med
- 3. 3 How on Earth did I get here?? Fall Freshman Biology/Pre-med Spring Freshman Chemistry
- 4. 4 How on Earth did I get here?? Fall Freshman Biology/Pre-med Spring Freshman Chemistry Fall Sophomore Psychology
- 5. 5 How on Earth did I get here?? Fall Freshman Biology/Pre-med Spring Freshman Chemistry Fall Sophomore Psychology Spring Sophomore Philosophy
- 6. 6 How on Earth did I get here?? Fall Freshman Biology/Pre-med Spring Freshman Chemistry Fall Sophomore Psychology Spring Sophomore Philosophy Fall Junior GEOLOGY!
- 7. 7 How on Earth did I get here?? 2007 Masters in Earth Science Thesis: Trends in Winter Climate in the Northeastern US 2008 Vagabonding in the Pacific 2013 Ph.D. in Earth and Env. Sci. Dissertation: Winter climate impacts of mid-1800s deforestation
- 8. 8 How on Earth did I get here?? 2014 Postdoc at NCAR 2015 Visiting Scientist at NCAR/ Postdoc at UNH National Center for Atmospheric Research Research Topic: Climate impacts of land cover and land use
- 9. Peak Deforestation in Mid-1800s 9 Photos: UNH Special Collections Harvard Forest Museum
- 10. 10 East Boston, c. 1855 Southworth and Hawes, daguerreotype
- 11. 11 Photos: UNH Special Collections East Boston, c. 1855 Southworth and Hawes, daguerreotype Completion of the Great Northern Railway, 1893 Forest History Society
- 12. Mid-1800s Peak Deforestation 12 Harper, 1918 Mass. Vermont NYC, NY Maine Conn. Rhode Island
- 13. Mid-1800s Peak Deforestation 13 Harper, 1918 Baldwin, 1942 Foster et al. 2008 Mass. Vermont NYC, NY Maine Conn. Rhode Island
- 14. 14 Pennsylvania Coal George Bretz, 1880s
- 16. How does land cover impact climate? 16 Not New Hampshire. Actually Switzerland. Thanks user Kamisan at DeviantArt.com • Albedo
- 17. Albedo 17 Albedo = SWup/SWdown Cooler open lands Snow-Covered Field 0.85
- 18. Albedo 18 Albedo = SWup/SWdown Snow-Covered Forest 0.25
- 19. Albedo 19 Albedo = SWup/SWdown Snow-Covered Forest 0.25 Cooler open lands Warmer forests Snow-Covered Field 0.85
- 20. Cooler climate in 1800s due to albedo 20 Photos: UNH Special Collections Harvard Forest Museum Burakowski et al. J. Climate revisions submitted
- 21. 21 • Albedo – cooler fields in winter & summer Not New Hampshire. Actually Switzerland. Thanks user Kamisan at DeviantArt.com How does land cover impact climate?
- 22. 22 Not New Hampshire. Actually Switzerland. Thanks user Kamisan at DeviantArt.com How does land cover impact climate? • Albedo – cooler fields in winter & summer • Canopy roughness
- 23. Canopy roughness, at night 23 Where is it warmer at night in winter – forest or field? Where would you set up a campsite? Where would deer bed in winter?
- 24. 24 Rough forest canopies enhance mixing & draw warmer air from aloft; cooler open land loses heat rapidly. Forest canopies are aerodynamically rough compared to open fields, which are relatively smooth. Canopy roughness, at night
- 25. 25 Canopy roughness, daytime Rough forest canopies dissipate heat more efficiently (cooler); open land suppresses mixing, warmer than forest. Daytime effect in opposition to nighttime effects. Also in opposition to albedo effect.
- 26. 26 • Albedo – cooler fields in winter & summer • Canopy roughness – cooler fields at night, warmer fields during the day. How does land cover impact climate?
- 27. 27 • Albedo – cooler fields in winter & summer • Canopy roughness – cooler fields at night, warmer fields during the day. • Evaporative cooling How does land cover impact climate?
- 28. 28 Evaporative Cooling Forests tend to move more water than open fields.
- 29. 29 • Albedo – warmer forests in winter & summer • Canopy roughness – warmer forests at night, cooler forests during the day. • Evaporative cooling – warmer fields in summer How does land cover impact climate?
- 30. Which dominates? Albedo, roughness, or evaporation? 30 Burakowski et al. in prep Combine science, math, observations, and climate models.
- 31. Which dominates? Albedo, roughness, or evaporation? 31 Observations from eddy covariance towers
- 32. Which dominates? Albedo, roughness, or evaporation? 32 Observations from eddy covariance towers Hayfield is -0.1oC cooler Albedo
- 33. Which dominates? Albedo, roughness, or evaporation? 33 Hayfield is +0.8oC warmer Canopy Roughness Hayfield is -0.1oC cooler Albedo Observations from eddy covariance towers
- 34. Which dominates? Albedo, roughness, or evaporation? 34 Hayfield is -0.2oC cooler Evaporative Cooling Hayfield is -0.1oC cooler Albedo Hayfield is +0.8oC warmer Canopy Roughness … Not quite what we expected Observations from eddy covariance towers
- 35. Which dominates? Albedo, roughness, or evaporation? 35 Hayfield is -0.5oC cooler Hayfield compared to deciduous forest ALBEDO
- 36. Which dominates? Albedo, roughness, or evaporation? 36 Hayfield compared to deciduous forest ALBEDO Hayfield is -0.5oC cooler Hayfield is +1.5oC warmer
- 37. Which dominates? Albedo, roughness, or evaporation? 37 Hayfield compared to deciduous forest ALBEDO Hayfield is -0.5oC cooler Hayfield is +1.5oC warmer Hayfield is -0.1oC cooler EVAP
- 38. Which dominates? Albedo, roughness, or Evaporation? 38 Both observations and models suggest that CANOPY ROUGHNESS dominates climate impact of land cover. … warmer in mid-1800s due to deforestation