24th Conference on Agricultural and Forest Meteorology

- Indicates paper has been withdrawn from meeting
- Indicates paper is an Award Winner

Monday, 14 August 2000

5:00 PM-5:00 PM: Monday, 14 August 2000


Conference Registration (Freeborn Hall, located on the UC Davis Campus)

Tuesday, 15 August 2000

7:30 AM-7:30 AM: Tuesday, 15 August 2000


Conference Registration (Freeborn Hall, located on the UC Davis Campus)

9:00 AM-9:00 AM: Tuesday, 15 August 2000


Joint Conference Introduction
Organizer: Opening Address: Robert J. Serafin, AMS President-Elect and UCAR

9:15 AM-12:00 PM: Tuesday, 15 August 2000


Session 1
Evapotranspiration and the Energy Balance: Part 1
Host: 24th Conference on Agricultural and Forest Meteorology
Organizer: Kyaw Tha Paw U, University of California
9:15 AM
1.1
Interannual and seasonal variability of latent and sensible heat fluxes above a coastal Douglas-fir forest
E. R. Humphreys, University of British Columbia, Vancouver, BC, Canada; and T. A. Black, E. M. Jork, G. B. Drewitt, D. L. Spittlehouse, Z. Nesic, and M. A. Arain

9:30 AM
1.2
The quotidian cycle of evapotranspiration from saltcedar
A. Salim Bawazir, New Mexico State University, Las Cruces, NM; and L. W. Gay, T. W. Sammis, and J. P. King

9:45 AM
1.3
DRY BEAN EVAPOTRANSPIRATION RATES ESTIMATED BY PENMAN-MONTEITH EQUATION IN VENTILATED GREENHOUSE
Gilberto C. Sediyama, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil; and M. K. Kobayashi, R. L. Gomide, P. C. Magalhães, and F. O. Duraes

10:00 AM
1.4
The Dynamics of the Surface-Atmosphere Exchange During and After Snow Melt for Different Arctic Ecosystems: MAGS
Constance M. Brown-Mitic, University of Arizona, Tucson, AZ; and P. H. Schuepp, I. J. Macpherson, S. Ogunjemiyo, and N. Neumann

10:15 AM
1.5
Spatial and temporal variations of soil heat flux in a corn field
Jerry L. Hatfield, USDA-ARS, Ames, IA; and J. H. Prueger

10:31 AM
1.7
Accuracy of reference evapotranspiration forecast
Pierpaolo Duce, CNR, Sassari, Italy; and R. L. Snyder and D. Spano

10:45 AM
1.8
Reference Crop Evapotranspiration and Climate Variability Study in a Mexican Irrigation District
Helene E. Unland, Mexican Institute of Water Technology, Jiutepec, Morelos, Mexico; and E. P. Pena

11:00 AM
1.9
Spatial relationships between Forest Canopies and Microclimate and Heat flows in a Patchy Mixed-conifer Forest
Siyan Ma, Michigan Technological University, Houghton, MI; and J. Chen and M. North

11:15 AM
1.10
Estimating net radiation absorbed by orchard and isolated tree
Antonio Roberto Pereira, Universidade de Sao Paulo, Piracicaba, Sao Paulo, Brazil; and L. R. Angelocci, N. A. Villa Nova, and P. C. Sentelhas

11:30 AM
1.3A
Morning Coffee Break

12:00 PM-1:30 PM: Tuesday, 15 August 2000


Lunch Break

1:30 PM-3:30 PM: Tuesday, 15 August 2000


Poster Session 1
Formal Viewing
Host: 24th Conference on Agricultural and Forest Meteorology
P1.1
Seasonal variation in the energy and water balances of an Ozark grassland
Thomas J. Sauer, USDA/ARS, Ames, IA; and P. A. Moore Jr., J. M. Ham, W. L. Bland, J. H. Prueger, and C. P. West

P1.2
Seasonal variations in the energy budget and CO2 flux over a temperate deciduous forest
Tsutomu Watanabe, Forestry and Forest Products Research Institute, Tsukuba, Ibaraki, Japan; and K. Yamanoi, Y. Yasuda, Y. Ohtani, M. Okano, and Y. Mizoguchi

P1.3
Soil and bean crop reflectances in the semi-arid region of the Northeast Brazil
Tantravahi V. Ramana Rao, Universidade Federal da Paraíba, Campina Grande, Paraíba, Brazil; and J. Fideles Filho, J. Q. Nóbrega, and R. T. Dantas

P1.4
Spring frost in Northern Italy orchards: a project on previsions, monitoring and control
Federica Rossi, CNR, Bologna, Italy; and O. Facini, S. Loreti, T. Georgiadis, and F. Zinoni

P1.5
Water requirements of table grapes in an arid site
Bernardo B. da Silva, Federal University of Paraiba, Campina Grande, Paraiba, Brazil; and D. C. Slack, M. W. Kilby, and A. K. Hla

P1.6
Study of the impact of weather factors on the types and characteristics of fungi diseases affecting wheat crops
Zbigniew Szwejkowski, Warmia and Mazury Univ., Olsztyn, Poland; and T. Kurowski

P1.7
The Georgia Automated Environmental Monitoring Network
Gerrit Hoogenboom, Washington State University, WA

P1.8
The influence of different weather front types for light trapping of European Corn Borer (Ostrinia Nubilalis Hbn)
Janos Puskas, Berzsenyi College, Szombathely, Hungary; and L. Nowinszky and E. Nagy

P1.9
Long Term Experience With Quality Control Procedures Applied to Meteorological Data
D. W. Meek, USDA-ARS, Ames, IA; and J. L. Hatfield, K. J. Cole, R. J. Jaquis, and J. H. Prueger

P1.10
P1.11
A Comparison of Common Pan Evaporation to Reference Evapotranspiration Equations
Young-San Park, University of California, Davis, CA; and R. L. Snyder and M. Orang

P1.12
A new method for estimating hourly temperature and degree days
Carla Cesaraccio, University of Sassari, Sassari, Italy; and R. L. Snyder, D. Spano, and P. Duce

P1.13
Asymmetric diurnal cycles in forests and the calculation of heat sums
Brian E. Potter, USDA Forest Service, East Lansing, MI

P1.14
Climate Characterization Using Hourly Temperature and Humidity with ASOS and AWS data
Xiaomao Lin, University of Nebraska, Lincoln, NE; and K. G. Hubbard

P1.15
Climatic influences on dissolved nutrients in an agribusiness-dominated eutrophic estuary
Brent J. Thomas, Univ. of Delaware, Newark, DE; and L. Kalkstein and D. Miller

3:00 PM-3:30 PM: Tuesday, 15 August 2000


Coffee Break

3:30 PM-6:00 PM: Tuesday, 15 August 2000


Session 2
Evaporation and the Energy Balance: Part 2
Host: 24th Conference on Agricultural and Forest Meteorology
Organizer: Donatella Spano, University of Potenza
3:30 PM
2.1
Surface eddy flux, cospectral similarity, and energy budget closure
Ricardo K. Sakai, SUNY, Albany, NY; and D. R. Fitzjarrald Sr. and K. E. Moore

3:45 PM
2.2
Energy exchanges across a corn-soybean field in the Midwest
Jerry L. Hatfield, USDA-ARS, Ames, IA; and J. H. Prueger and Y. Ma

4:00 PM
2.3
Bowen ratio evaporation measurement in a montane grassland: data integrity and fluxes
Michael J. Savage Sr., University of Natal, Pietermaritzburg, South Africa; and C. S. Everson and B. R. Metelerkamp

4:15 PM
2.4
Annual Distribution of Energy Fluxes in a Tallgrass Prairie Related to Canopy Growth
George G. Burba, University of Nebraska, Lincoln, NE; and S. B. Verma

4:31 PM
2.6
Comparing direct measurements of root-zone soil moisture in a forest with piezometric weighing lysimeter records
Alan G. Barr, Meteorological Service of Canada, Saskatoon, SK, Canada; and G. van der Kamp, R. Schmidt, and T. A. Black

4:45 PM
2.7
Combining evapo-transpiration measurements with xylem diameter changes
Sanna Sevanto, University of Helsinki, Helsinki, Finland; and T. Vesala, M. Perämäki, J. Pumpanen, and E. Nikinmaa

5:00 PM
2.8
Energy balance in a mango orchard in Northeast of Brazil
Bernardo B. da Silva, Federal University of Paraiba, Campina Grande, Paraiba, Brazil; and P. V. de Azevedo, P. M. de O. Lopes, V. de Paulo R. da Silva, J. E. Sobrinho, and A. H. de C. Teixeira

5:15 PM
2.9
Micrometeorology meets Tracer Hydrology in determining Forest Evapotranspiration
Lutz W. Jaeger, University of Freiburg, Freiburg, Germany; and S. Holzkamper

5:30 PM
2.10
Evapotranspiration of a mango orchard in a semiarid site of Northeast Brazil
Pedro V. de Azevedo, Federal University of Paraiba, Campina Grande, Paraiba, Brazil; and B. B. da Silva, V. de P. R. da Silva, L. H. Bassoi, and J. M. Soares

5:45 PM
2.11
Adaptation of conventional evapotranspiration models to estimate irrigated apple tree transpiration
Antonio R. Pereira, Universidade de Sao Paulo, Piracicaba, Sao Paulo, Brazil; and N. A. Villa Nova, L. R. Angelocci, and C. Valancogne

6:00 PM-6:00 PM: Tuesday, 15 August 2000


Sessions end for the day

6:00 PM-7:30 PM: Tuesday, 15 August 2000


Welcome Reception with Exhibits (Cash Bar)

Wednesday, 16 August 2000

8:00 AM-5:30 PM: Wednesday, 16 August 2000


Conference Registration continues through Friday

8:30 AM-12:00 PM: Wednesday, 16 August 2000


Session 3
Effects of weather and climate on agriculture and forestry
Host: 24th Conference on Agricultural and Forest Meteorology
Organizers: Richard L. Snyder, University of California; Jerry L. Hatfield, USDA/ARS
8:30 AM
3.1
Effects of nitrogen application and weather on corn as detected by micrometeorology and remote sensing techniques
E. Pattey, Agriculture and Agri-Food Canada, Ottawa, ON, Canada; and I. B. Strachan and J. Boisvert

8:45 AM
3.2
Environmental prediction: early detection of atmosphere-land use changes in Ontario, Canada
Heather Auld, MSC/EC, Downsview, ON, Canada; and D. C. MacIver

9:00 AM
3.3
Microclimatic factors affecting winter survival of gypsy moth eggs in Michigan
Jeffrey A. Andresen, Michigan State University, East Lansing, MI; and D. G. McCullough, L. S. Bauer, C. N. Koller, D. L. Miller, and C. W. Ramm

9:15 AM
3.4
Predicting Water-Use Efficiency Canopy at level under Climatic Change
Liu-Kang Xu, University of California, Davis, CA; and T. C. Hsiao

9:30 AM
3.5
The phenology of leaf emergence and expansion in a boreal aspen forest
Alan G. Barr, Meteorological Service of Canada, Saskatoon, SK, Canada; and T. A. Black, C. Hrynkiw, and P. Pacholek

9:45 AM
3.6
Development of weather-based products for agricultural and environmental applications
Gerrit Hoogenboom, University of Georgia, Griffin, GA; and G. A. Georgia and D. D. Gresham

10:00 AM
3.7
Analysis of Soil Temperature Change for Different Sowing Styles of Winter Wheat Over Winter
Chunqiang Li, Meteorological Institute of Hebei Province, Shijiazhuang, Hebei, China; and H. Li, D. Sun, G. Meng, L. Du, and J. He

10:15 AM
3.8
Defining agroclimatological factors influencing vulnerability to agricultural drought: a Nebraska case study
Olga V. Wilhelmi, NCAR, Boulder, CO; and K. G. Hubbard and D. A. Wilhite

10:30 AM
3.9
Climate influences on grapevine phenology, grape composition, and wine production and quality for Bordeaux, France
Gregory V. Jones, Southern Oregon University, Ashland, OR; and R. E. Davis

10:45 AM
3.10
Climatological characterization of wind and snowfall in Minnesota for assessing the impact of living snow fences
Martha D. Shulski, University of Minnesota, St. Paul, MN; and M. W. Seeley

11:00 AM
3.11
15-year height of pinus ponderosa is correlated with diurnal temperature variation during bud elongation
John N. Church, University of California, Davis, CA; and R. S. Criddle and L. D. Hansen

11:15 AM
3.12
Characterizing Namibian Rainfall for Agricultural Purposes
A. Louis du Pisani, Ministry of Agriculture, Water and Rural Development, Windhoek, Namibia

11:30 AM
3.6A
Morning Coffee Break

12:00 PM-1:30 PM: Wednesday, 16 August 2000


Lunch Break

1:30 PM-5:15 PM: Wednesday, 16 August 2000


Session 4
Theoretical and applied studies of interactions between the atmosphere and the land surface
Host: 24th Conference on Agricultural and Forest Meteorology
Organizers: Alan G. Barr, Meteorological Service of Canada; David R. Miller, University of Connecticut
1:30 PM
4.1
Investigation of Near-Surface Soil Freezing and Thawing in North America
Tingjun Zhang, CIRES/University of Colorado, Boulder, CO; and R. L. Armstrong and J. Smith

1:45 PM
4.2
Determining scalar fluxes over an old-growth forest using surface renewal
Donatella Spano, University of Basilicata, Potenza, Italy; and R. L. Snyder, P. Duce, K. T. Paw U, and M. Falk

2:00 PM
4.3
Recent Improvements to the Meyers Multi-layer Dry Deposition Model
Bart Brashers, NOAA, Research Triangle Park, NC; and Y. Wu and P. L. Finkelstein

2:15 PM
4.4
Variation of air temperature in a gully in Eastern Kansas during nocturnal periods
Jerry L. Hatfield, USDA-ARS, Ames, IA; and J. H. Prueger and L. Mahrt

2:30 PM
4.5
Spatially distributed hydrologic-biophysical modeling: applications in precision agriculture
Charles Rodgers, University of Wisconsin, Madison, WI; and J. Mecikalski, C. Molling, J. Norman, C. Kucharik, and C. Morgan

2:45 PM
4.6
Model calculated soil moisture or precipitation for yield modeling?
Seth E. Snell, University of New Mexico, Albuquerque, NM; and L. Scuderi, R. Kaufmann, and S. Gopal

3:00 PM
4.7
Improvement of the Canadian Land Surface Scheme (CLASS) under Stable Conditions
Aisheng Wu, MSC, Toronto, ON, Canada; and D. L. Verseghy

3:15 PM
4.8
3:31 PM
4.10
A spectral analysis of biosphere-atmosphere trace gas flux densities and meteorological variables across hour to year time scales
Dennis Baldocchi, University of California, Berkeley, CA; and E. Falge and K. Wilson

3:45 PM
4.11
Observations on the role of treeline in controlling atmospheric circulations
Jason Beringer, University of Alaska, Fairbanks, AK; and F. S. Chapin III, I. McHugh, and N. J. Tapper

4:00 PM
4.12
Feedbacks between the atmospheric boundary layer and terrestrial ecosystems: implications for global-scale modelling
Peter Levy, Centre for Ecology and Hydrology, Penicuik, Midlothian, United Kingdom; and C. Huntingford

4:15 PM
4.13
Spectral Transfer of Velocity—Temperature Correlation for Inhomogeneous Turbulence for Atmosphere-Land Interaction
Sukaran Ram Patel, Universidade Federal da Paraíba, Campina Grande, Paraiba, Brazil

4:30 PM
4.14
Crop modeling in Namibia
Albert J. Calitz, Ministry of Agriculture, Water and Rural Development, Windhoek, Namibia; and A. L. du Pisani

4:45 PM
4.6A
Afternoon Coffee Break

3:00 PM-5:30 PM: Wednesday, 16 August 2000


Exhibit Hours

5:30 PM-5:30 PM: Wednesday, 16 August 2000


Sessions end for the day

Thursday, 17 August 2000

8:45 AM-11:15 AM: Thursday, 17 August 2000


Session 5
Canopy micrometeorology
Host: 24th Conference on Agricultural and Forest Meteorology
Organizer: John D. Wilson, University of Alberta
8:45 AM
5.1
9:00 AM
5.2
The effect of scalar source distribution on eddy diffusivities and bulk transfer coefficients
Margi Bohm, Univ. of Canberra, Canberra, Australia; and M. R. Raupach and J. J. Finnigan

9:15 AM
5.3
Higher order turbulent statistics in plant canopies
Kyaw Tha Paw U, University of California, Davis, CA; and M. Falk, R. D. Pyles, R. H. Shaw, and T. King

9:30 AM
5.4
An EOF Analysis of the Structure of the Large-Eddy Motion in a Plant Canopy
John J. Finnigan, CSIRO, Canberra, Australia; and R. H. Shaw

9:45 AM
5.5
(Formerly Paper 5.6) Building a physical model of water transfer by rain splash in a 3-D canopy structure
S. Saint-Jean, Institut National de la Recherche Agronomique, Thiverval-Grignon, France; and L. Huber and M. Chelle

10:00 AM
5.6
(formerly paper 5.5) Dispersive fluxes and canopy flows: Just how important are they?
Margi Bohm, Univ. of Canberra, Canberra, Australia; and J. J. Finnigan and M. R. Raupach

10:15 AM
5.7
A numerical simulation of airflow over and through a forest edge using large eddy simulation
Bai Yang, University of California, Davis, CA; and R. H. Shaw and K. T. Paw U

10:45 AM
5.5A
Morning Coffee Break

9:00 AM-12:00 PM: Thursday, 17 August 2000


Exhibit Hours

11:15 AM-11:44 AM: Thursday, 17 August 2000


Session 6
Micrometeorological Instrumentation
Host: 24th Conference on Agricultural and Forest Meteorology
Organizer: Bertrand D. Tanner, Campbell Scientific, Inc.
11:15 AM
6.1
Evaluation of Air Temperature Measurements in Weather Stations
Kenneth G. Hubbard, Univ. of Nebraska, Lincoln, NE; and X. Lin

11:31 AM
6.3
Random error in atmospheric flux measurements
Peter L. Finkelstein, NOAA and U.S. EPA, Research Triangle Park, NC

11:45 AM-1:30 PM: Thursday, 17 August 2000


Lunch Break

1:30 PM-1:30 PM: Thursday, 17 August 2000


Poster Session 2
Formal Viewing
Host: 24th Conference on Agricultural and Forest Meteorology
P2.2
The influence of simple chemistry on scalar variance and vertical-flux budgets above and within a forest canopy
Edward G. Patton, Penn State Univ., University Park, PA; and K. J. Davis, M. C. Barth, and P. P. Sullivan

P2.3
Observed turbulent characteristics over a forest canopy using mini-SODAR
Thara V. Prabha, University of Georgia, Griffin, GA; and M. Y. Leclerc, M. Sanford, and E. Mursch-Radlgruber

P2.4
Monoterpene fluxes estimated using canopy models for a Pacific northwest old growth forest
Shelley Pressley, Washington State University, Pullman, WA; and B. K. Lamb, H. Westberg, D. Pyles, K. T. Paw U, and A. Guenther

P2.5
estimating soil heat flux density
Richard L. Snyder, University of California, Davis, CA; and K. T. Paw U and H. Wabeh

P2.7
Comparison of tracer emission rates calculated from three different techniques
Thomas K. Flesch, University of Alberta, Edmonton, AB, Canada; and J. H. Prueger and J. L. Hatfield

P2.8
Comparison of 3-D sonic anemometers
D.L. Spittlehouse, BC Ministry of Forests, Victoria, BC, Canada; and T. A. Black, B. Chen, E. R. Humphreys, and Z. Nesic

P2.10
P2.11
Study on the characteristics of rice paddy water temperature and its relation to dew formation on leaves
Tsuneo Kuwagata, Tohoku National Agricultural Experiment Station, Morioka, Iwate, Japan; and T. Hamasaki and T. Watanabe

P2.12
Measuring Isotopic Carbon Dioxide Fluxes Using In Situ Tunable Diode Laser Absorption Spectroscopy
Steven D. Sargent, Campbell Scientific, Inc., Logan, UT; and B. D. Tanner

P2.13
Predicting Incoming Radiation from Long-Term Temperature and Sunshine Records in Britain
Sophie E. Hale, Forestry Commission Research Agency, Roslin, Midlothian, United Kingdom; and P. E. Levy

P2.14
Ecosystem evaporation, transpiration and sub-canopy vapor fluxes at the Morgan Monroe State Forest, Indiana
C. Susan B. Grimmond, Indiana University, Bloomington, IN; and P. J. Hanson, H. P. Schmid, S. D. Wullschleger, F. D. Cropley, H. B. Su, B. Offerle, and S. L. Scott

P2.15
A Preliminary intercomparison of micrometeorological and ecological estimates of carbon sequestration in a Mid-latitude Deciduous Forest for 1998 and 1999
J. L. Ehman, Indiana University, Bloomington, IN; and H. P. Schmid, C. S. B. Grimmond, J. C. Randolph, C. A. Wayson, P. J. Hanson, F. D. Cropley, H. B. Su, S. L. Scott, and B. Offerle

P2.16
The Effect of Elevated CO2 on Carbon and Water Vapor flux in Southern California Chaparral
Yufu Cheng, San Diego State Univ., San Diego, CA; and W. C. Oechel, S. J. Hastings, J. Major, P. Bryant, and J. Verfaillie

P2.17
Comparing CO2 and H2O Vapor Exchange at Two Alaskan Arctic Tundra Ecosystems Using Tower-Based Eddy Covariance
Hyojung Kwon, San Diego State Univ., San Diego, CA; and W. C. Oechel, R. C. Zulueta, and G. L. Vourlitis

P2.18
Preliminary landscape scale measurements of carbon and energy exchange in a Sarcocaulescent Desert Ecosystem
Rommel C. Zulueta, San Diego State Univ., San Diego, CA; and S. J. Hastings and W. C. Oechel

1:30 PM-3:30 PM: Thursday, 17 August 2000


Exhibit Hours

3:30 PM-4:00 PM: Thursday, 17 August 2000


Coffee Break

3:30 PM-5:15 PM: Thursday, 17 August 2000


Session 7
Canopy Micrometeorology - Observation
Host: 24th Conference on Agricultural and Forest Meteorology
Organizer: Monique Y. Leclerc, University of Georgia
3:30 PM
7.1
Comparison of TKE and Reynolds stress budgets between different forest canopy architectures
Michael J. Savage, University of Natal, Pietermaritzburg, South Africa; and M. Y. Leclerc, A. Karipot, and T. Prabha

3:45 PM
7.2
The microclimate of a 65 m tall, old-growth coniferous forest
Trevor Newton, University of California, Davis, CA and University of Washington, Seattle, WA; and K. T. Paw U, M. Falk, R. H. Shaw, T. King, T. C. Hsiao, R. D. Pyles, A. A. Matista, A. Sundquist, Y. S. Park, H. Wabeh, and J. Chen

4:00 PM
7.3
Field investigation of temperature patterns within Oklahoma peach orchards
J. D. Carlson, Oklahoma State University, Stillwater, OK; and B. D. McCraw

4:15 PM
7.4
Microclimate and Energy Balances of Three Douglas Fir Forests in Southern Washington
Jiquan Chen, Michigan Technological University, Houghton, MI; and K. T. Paw U, T. H. Suchanek, S. Ustin, R. Shaw, X. Wang, T. Hsiao, and M. Falk

4:30 PM
7.5
Variance, skewness and kurtosis characteristics within and just above a crop canopy
Adrie F. G. Jacobs, Wageningen University, Wageningen, Netherlands; and B. J. van de Wiel and A. A. M. Holtslag

4:45 PM
7.6
Contribution of higher order turbulent moments to the energy spectrum in an open pine canopy
Michael J. Savage, University of Natal, Pietermaritzburg, South Africa; and M. Y. Leclerc, T. Prabha, and A. Karipot

5:00 PM
7.7
Directional wind shear within an old-growth Douglas Fir forest: observed and modeled results
R. David Pyles, University of California, Davis, CA; and K. T. Paw U, B. C. Weare, and M. Falk

5:15 PM-5:15 PM: Thursday, 17 August 2000


Sessions end for the day

5:15 PM-6:00 PM: Thursday, 17 August 2000


1
Reception/Exhibits (Cash Bar)

6:00 PM-8:00 PM: Thursday, 17 August 2000


Conference Banquet (Freeborn Hall)
Organizer: Banquet Speaker: Terrance R. Nathan, University of California, Davis, CA, Presentation Title: "Meteorological Aspects of the Lewis & Clark Expedition"

Friday, 18 August 2000

8:30 AM-10:00 AM: Friday, 18 August 2000


Session 8
Modeling and measurement of meteorological processes related to agriculture and forestry
Host: 24th Conference on Agricultural and Forest Meteorology
Organizer: Larry Hipps, Utah State University
8:30 AM
8.1
The influence of a plant canopy on scalar statistics and structure within the planetary boundary layer
Edward G. Patton, Penn State University, University Park, PA and NCAR, Boulder, CO; and P. P. Sullivan and K. J. Davis

8:45 AM
8.2
Spatial and temporal footprint analysis for latent energy flux mapping
Daniel I. Cooper, LANL, Los Alamos, NM; and W. E. Eichinger, J. Archuleta, L. Hipps, J. Kao, M. Y. Leclerc, J. Prueger, and J. Reisner

9:00 AM
8.3
Footprint Determination in Stable to Convective Stratification Using an Inverse 3D Lagrangian Particle Model
Natascha Kljun, ETH, Zurich, Switzerland; and P. de Haan, M. W. Rotach, and H. P. Schmid

9:15 AM
8.4
Regional surface fluxes from a coupled mesoscale atmosphere/vegetative canopy model
Bryan C. Weare, University of California, Davis, CA; and R. D. Pyles, K. T. Paw U, and W. I. Gustafson Jr.

9:30 AM
8.5
Developments in a land surface scheme used for regional climate simulations in SWECLIM
Patrick Samuelsson, Stockholm University, Stockholm, Sweden; and B. Bringfelt and S. Gollvik

9:45 AM
8.6
Development of A Multilayer Biochemical Dry Deposition model
Yihua Wu, U.S. EPA, Research Triangle Park, NC; and B. Brashers, J. Pleim, and P. L. Finkelstein

9:30 AM-1:30 PM: Friday, 18 August 2000


Exhibit Hours

10:00 AM-10:30 AM: Friday, 18 August 2000


Coffee Break

10:30 AM-12:00 PM: Friday, 18 August 2000


Session 9
CARBON DIOXIDE EXCHANGE: PART 1
Host: 24th Conference on Agricultural and Forest Meteorology
Organizer: Dennis Baldocchi, University of California
10:30 AM
9.1
Variability of Energy Vapor and CO2 Exchange over two Midwestern Deciduous Forests
H. P. Schmid, Indiana University, Bloomington, IN; and C. S. B. Grimmond, F. Cropley, H. B. Su, C. S. Vogel, and P. S. Curtis

10:45 AM
9.2
The effect of drought on carbon exchange in a deciduous forest
Kell Wilson, NOAA/ATDD, Oak Ridge, TN; and D. Baldocchi and P. Hanson

11:00 AM
9.3
The contribution of soil fluxes to the total canopy energy and carbon flux of maize
Tilden P. Meyers, NOAA/ARL/ATDD, Oak Ridge, TN; and S. E. Hollinger

11:15 AM
9.4
Net CO2 flux in a tallgrass prairie along a 230 to 550 ppm MOL MOL-1 CO2 gradient
P. C. Mielnick, Agricultural Experiment Station, Tempe, TX; and W. A. Dugas, H. B. Johnson, H. W. Polley, and J. Sanabria

11:30 AM
9.5
Carbon dioxide and water vapor fluxes above two boreal forests
M. A. Arain, University of British Columbia, Vancouver, BC, Canada; and T. A. Black, A. G. Barr, P. G. Jarvis, J. M. Massheder, and D. L. Verseghy

11:45 AM
9.6
Modelling water, carbon and nitrogen dynamics of the boreal forests in Canadian Land Surface Scheme (CLASS)
Shusen Wang, University of Alberta, Edmonton, AB, Canada; and R. F. Grant, A. Black, and D. Verseghy

12:00 PM-1:30 PM: Friday, 18 August 2000


Lunch Break

1:30 PM-3:00 PM: Friday, 18 August 2000


Session 10
Diffusion, Dispersion and Transport of Airborne Material
Host: 24th Conference on Agricultural and Forest Meteorology
Organizer: Eugene S. Takle, Iowa State University
1:30 PM
10.1
Air Atmospheric Stability Effects on Spray Drift
David R. Miller, University of Connecticut, Storrs, CT; and T. E. Stoughton, W. E. Steinke, E. W. Huddleston, and J. B. Ross

1:45 PM
10.2
Integrating spore dispersal and models of turbulence
Donald E. Aylor, Connecticut Agricultural Experiment Station, New Haven, CT; and R. H. Shaw

2:00 PM
10.3
Simulation of Ozone in the Great Lakes Region
Jerome D. Fast, PNNL, Richland, WA; and W. E. Heilman

2:30 PM
10.5
Estimates of Long Range Drift from an Orchard Sprayer
David R. Miller, University of Connecticut, Storrs, CT; and R. M. Cionco

2:45 PM
10.6
Dispersion Modeling of Atmospheric Compounds across a Valley in Southern Utah
Ronald M. Cionco, U.S. Army Research Laboratory, White Sands Missile Range, NM; and J. H. Prueger, J. L. Hatfield, and L. E. Hipps

3:00 PM-3:30 PM: Friday, 18 August 2000


Coffee Break

3:00 PM-6:00 PM: Friday, 18 August 2000


Exhibit Hours

3:30 PM-5:30 PM: Friday, 18 August 2000


Session 11
Contributions to Experimental and Theoretical Studies in Agricultural and Forest Meteorology
Host: 24th Conference on Agricultural and Forest Meteorology
Organizer: Kenneth M. King, University of Guelph
3:30 PM
11.1
Introductory Remarks
Kenneth M. King, University of Guelph, Guelph, Ontario, Canada

3:45 PM
11.2
Canopy element influences on subgrid-scale energy within a large-eddy simulation
Roger H. Shaw, University of California, Davis, CA; and E. G. Patton

4:00 PM
11.3
4:15 PM
11.4
Mini-Sodar Detection of Local Circulations in a Managed Pine Plantation
Monique Y. Leclerc, University of Georgia, Griffin, GA; and T. Prabha, E. Mursch-Radlgruber, and A. Karipot

4:30 PM
11.5
The development of a tunable diode laser trace gas analyzer and its application to the measurement of trace gas fluxes using micrometeorological techniques
G. C. Edwards, University of Guelph, Guelph, ON, Canada; and G. W. Thurtell, G. E. Kidd, G. M. Dias, G. den Hartog, H. H. Neumann, I. J. Simpson, M. Lin, C. Wagner-Riddle, J. S. Warland, K. King, and R. Sweetman

4:45 PM
11.6
Recent changes in the growth rate of tropospheric methane
Isobel J. Simpson, University of California, Irvine, CA; and T. Y. Chen, D. R. Blake, and F. S. Rowland

5:00 PM
11.7
Interannual vegetable yield variability in Ontario: is climate a factor?
Alan W. McKeown, University of Guelph, Guelph, ON, Canada; and J. S. Warland and M. R. McDonald

5:15 PM
11.8
Comparison of Methods to Infer Gas Fluxes off a Lagoon
John D. Wilson, University of Alberta, Edmonton, AB, Canada; and T. K. Flesch and L. A. Harper

5:30 PM-5:30 PM: Friday, 18 August 2000


Sessions end for the day

Saturday, 19 August 2000

8:30 AM-10:00 AM: Saturday, 19 August 2000


Session 12
Carbon Dioxide Exchange: Part 2
Host: 24th Conference on Agricultural and Forest Meteorology
Organizer: H. P. Schmid, Indiana University
8:30 AM
12.1
Pressure pumping of carbon dioxide from soil
Eugene S. Takle, Iowa State University, Ames, IA; and J. R. Brandle, R. A. Schmidt, R. Garcia, I. V. Litvina, G. Doyle, X. Zhou, Q. Hou, C. W. Rice, and W. J. Massman

8:45 AM
12.2
Nighttime CO2 exchange in a tallgrass prairie and a winter wheat field
Andrew E. Suyker, University of Nebraska, Lincoln, NE; and S. B. Verma

9:00 AM
12.3
Greenhouse gas fluxes at Arctic tundra Ecosystem in winter and thawing period
Yoshinobu Harazono, National Institute of Agro Environmental Sciences, Tsukuba, Ibaraki, Japan; and A. Miyata, N. Ota, and W. C. Oechel

9:15 AM
12.4
Long Term Carbon Flux Measurements in the Understory of an Old-growth Temperate Rainforest
Matthias Falk, University of California, Davis, CA; and K. T. Paw U and T. S. King

9:30 AM
12.5
Impacts of clouds on ecosystem carbon dioxide exchange over a spectrum of climates
Lianhong Gu, University of California, Berkeley, CA; and D. D. Baldocchi and E. Falge

9:45 AM
12.6
A comparison of the carbon and water vapor exchange contributions of mean advection, eddy-covariance, and storage in a tall forest
Matthias B. Falk, University of California, Davis, CA; and Y. S. Park, K. T. Paw U, R. D. Pyles, T. C. Hsiao, R. H. Shaw, T. S. King, A. A. Matista, and H. Wabeh

10:00 AM-10:30 AM: Saturday, 19 August 2000


Coffee Break

10:30 AM-12:00 PM: Saturday, 19 August 2000


Session 13
Surface-Air Exchange in Non-Ideal Conditions
Host: 24th Conference on Agricultural and Forest Meteorology
Organizer: Brian D. Amiro, Canadian Forest Service
10:30 AM
13.1
Influence of advection on carbon and energy fluxes at a forest on non-flat terrain
Xuhui Lee, Yale University, New Haven, CT; and X. Hu

10:45 AM
13.2
An Analytical model of Airflow over and within a Tall Canopy on a Low Hill
John J. Finnigan, CSIRO, Land and Water, Canberra, Australia; and S. E. Belcher

11:00 AM
13.3
Shallow Gully Flow
Larry Mahrt, Oregon State University, Corvallis, OR; and D. Vickers, R. Nakamura, J. Sun, S. Burns, J. Prueger, and J. Hatfield

11:15 AM
13.4
Turbulence venting in riparian vegetation and connections to transpiration
Larry E. Hipps, Utah State University, Logan, UT; and J. H. Prueger, J. L. Hatfield, and W. P. Kustas

11:30 AM
13.5
Turbulence characteristics in a dense riparian Tamarisk canopy
John H. Prueger, USDA/ARS, Ames, IA; and L. E. Hipps, J. L. Hatfield, and W. P. Kustas

11:45 AM
13.6
Coupling of Turbulence in and above a Forest at a steep slope During Nighttime
Roland Vogt, University of Basel, Basel, Switzerland; and A. Christen, C. Feigenwinter, E. van Gorsel, E. Parlow, and A. Pitacco

12:00 PM-1:30 PM: Saturday, 19 August 2000


Lunch Break

1:30 PM-3:30 PM: Saturday, 19 August 2000


Session 14
Carbon Dioxide Exchange: Part 3
Host: 24th Conference on Agricultural and Forest Meteorology
Organizer: Larry Mahrt, Oregon State University
1:30 PM
14.1
The impact of harvesting and fire on energy and carbon fluxes in the boreal forest
Brian D. Amiro, Canadian Forest Service, Edmonton, AB,, Canada

1:45 PM
14.2
Gross primary production and net ecosystem exchange of a cool-temperate deciduous forest estimated by the eddy covariance method
Nobuko Saigusa, National Institute for Resources and Environment, Tsukuba, Ibaraki, Japan; and S. Yamamoto, S. Murayama, and H. Kondo

2:15 PM
14.4
Crop Growth Analysis: Carbon Flux Measurements vs. Plant Sampling
Steven E. Hollinger, ISWS, Champaign, IL; and T. P. Meyers

2:30 PM
14.5
Net carbon uptake and coupling from a tropical wet forest
H. W. Loescher, School of Forest Resources and Conservation, Gainesville, FL; and S. F. Oberbauer, D. B. Clark, and D. A. Clark

2:45 PM
14.6
Correlation and structure function analysis in the quality assessments of long-term eddy-covariance measurements over a deciduous forest
Hong-Bing Su, Indiana University, Bloomington, IN; and H. P. Schmid, C. S. B. Grimmond, C. S. Vogel, and P. S. Curtis

3:00 PM
14.7
Greenhouse gas budget at Japanese rice paddy as an AsiaFlux Network site
Yoshinobu Harazono, National Institute of Agro-Environmental Sciences, Tsukuba, Ibaraki, Japan; and A. Miyata, K. N. Ohta, T. Takamura, and C. Suzuki

3:15 PM
14.8
Interannual Variability of Water and Carbon Fluxes at a 100 Yr. Spruce Stand
Christian Bernhofer, Dresden University of Technology, Tharandt, Dresden,, Germany; and T. Grunwald and P. Mellmann

3:30 PM-3:30 PM: Saturday, 19 August 2000


Conference ends