Willmott, C.J. and K. Matsuura, 2008. Ambiguities inherent in
sums-of-squares-based statistics. Paper
presented at the annual meeting of the Association of American Geographers,
Nickl, E. and C.J. Willmott, 2008. A new approach to the estimation of
precipitation fields in mountainous environments. Paper
presented at the annual meeting of the Association of American Geographers,
Robeson,
S.M. and C.J. Willmott, 2008. Using geographic box plots to estimate
climatic change. Paper presented at the annual meeting of the
Association of American Geographers,
Janis, M. and T. Lavin, 2008. Biometeorological
models for vectors of West Nile Virus in the
Willmott, C.J., 2006. Estimating climate and
climatic change from lousy weather station networks: two air-temperature
examples. Banquet lecture given
at the annual meeting of the Pennsylvania Geographical Society,
Willmott, C.J. and K. Matsuura,
2006. Comparison of three
dimensioned measures of average model-performance error. Presentation made to the Physical Ocean
Science and Engineering (POSE) Program,
Willmott, C.J. and K. Matsuura,
2006. Comparison of three
dimensioned measures of average model-performance error. Lecture given to the
Geography Department,
Willmott, C.J. and K. Matsuura,
2006. Comparison of the
root-mean-square error (RMSE) and the mean-absolute error (MAE) as measures of
average model performance. Paper presented at the annual meeting of the
Association of American Geographers, Chicago (March).
Nickl, E. and C.J. Willmott, 2006. Teleconnections and climate in the Peruvian Andes. Paper presented at the 86th annual meeting of
the American Meteorological Society,
Willmott, C.J., 2005. On the use
of dimensioned measures of average error in evaluating and comparing estimated
climate fields. Lecture
given to the Water Systems Group at the
Willmott, C.J., 2005. On the use
of dimensioned measures of average error in evaluating interpolated climate
fields. Lecture given to the Geography Department at the
Nickl, E. and C.J. Willmott, 2005. Teleconnections
and climate in the Peruvian Andes.
Paper presented at the annual meeting of the Association of American
Geographers,
Willmott, C.J., 2004. On the use of dimensioned measures of average error in comparing
climate fields. Lecture given at the Center for Ocean-Land-Atmosphere Studies,
Willmott, C.J. and K. Matsuura,
2004.
On the use of dimensioned measures of average error in the
evaluation of model performance. Seminar-series lecture given to the Geography Department at the
Zimmermann,
P.A. and C.J. Willmott, 2004. A
refined rules-based model for distributing human populations at high spatial
resolutions. Paper presented at the annual meeting of the Association of
American Geographers,
Johnson,
M.L. and C.J. Willmott, 2004. Bias corrected raingage
observations intercompared with satellite
precipitation estimates. Paper presented at the annual meeting of the
Association of American Geographers,
Nickl, E. and C.J. Willmott, 2004. Teleconnections
and climate in the Peruvian Andes.
Paper presented at the annual meeting of the Association of American
Geographers,
Willmott, C.J., 2004. The climatic water budget
and the in-service education of a “young Turk.” Paper presented at the
annual meeting of the Association of American Geographers,
Willmott, C.J., 2003. Estimating climate and climatic change from lousy weather-station
networks.
Zimmermann,
P.A. and C.J. Willmott, 2003. Using
environmental variables to distribute human populations spatially, with an
evaluation in
Zimmermann,
P.A. and C.J. Willmott, 2002. Revised
rules for spatially distributing population for climate research. Paper
presented at the annual meeting of the Association of American Geographers,
Stevenson,
M.L., K. Matsuura, P.A. Zimmermann, and C.J. Willmott,
2002. New raingage-based,
gridded precipitation fields for the Tropics. Paper
presented at the annual meeting of the Association of American Geographers,
Willmott, C.J., 2002. Estimating climate and climatic change from weather-station
records. Lecture in Geography,
Northern
Willmott, C.J., 2002. Estimating climate and climatic change from weather-station
records. Advances in Environmental Science Seminar, Environmental
Research Division,
Matsuura,
K. and C.J. Willmott, 2001. Fifty years of
land-surface air-temperature change from weather-station records. Paper
presented at the annual meeting of the Association of American Geographers,
Zimmermann,
P.A. and C.J. Willmott, 2001. A
rules-based approach to high-resolution population mapping for use in climate
research. Paper presented at the annual meeting of the Association of
American Geographers,
Stevenson,
M.L. and C.J. Willmott, 2001. An analysis of
sub-grid-scale variability in satellite derived, gridded
precipitation fields. Paper presented at the annual meeting of the Association
of American Geographers,
Willmott, C.J., 2001. Estimating climate and climatic change from lousy weather-station
networks. E. Willard and Ruby S. Miller Distinguished Lecture in
Geography,
Stevenson,
M.L., K. Matsuura, P.A. Zimmermann, and C.J. Willmott,
2001. Estimating monthly precipitation
over the tropical land surface from raingage records.
Poster paper presented at the Fall meeting of the
American Geophysical Union, San Francisco (December).
Zimmermann,
P.A., K. Matsuura, M.L. Stevenson and C.J. Willmott,
2000.
Climatic water availability and human population density. Poster presented at the fall meeting of the
American Geophysical Union, San Francisco (December).
Willmott, C.J., 2000. Temperature fields. Presentation made at the NSF-ARCSS Hydrology
Workshop held at the National Center for Ecological Analysis and Synthesis,
Santa Barbara, CA (September).
Willmott, C.J., 2000. Estimating climate and
climatic change from lousy weather-station networks. Edward J. Taaffe Colloquium Lecture, Department of Geography, the
Stevenson,
M.L. and C.J. Willmott, 2000. Estimating
rainfall over the