USA NPN National Phenology Network

Taking the Pulse of Our Planet

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Uses the USA-NPN Contemporary or Legacy Data

Title Authors Souce Year
Assessing the Onset of Spring: A Climatological Perspective M.D. Schwartz 1993
Modeling Lilac Development R.J. Hopp 1976
The importance of soil and air temperature in spring phenoclimatic modelling R.P. Hickin; M.T. Vittum International Journal of Biometeorology 1976
Extending the record of photosynthetic activity in the eastern United States into the presatellite period using surface diurnal temperature range C. Bonfils; A. Angert; C.C. Henning; S. Biraud; S.C. Doney; I. Fung Geophysical Research Letters 2005
Phenology of lilac bloom in Montana J.M. Caprio Science 1957
An approach to examining regional atmosphere-plant interactions with phenological data M.D. Schwartz; G.A. Marotz An approach to examining regional atmosphere-plant interactions with phenological data 1986
Spring phenology: Nature's experiment to detect the effect of M.D. Schwartz; T.R. Karl Monthly Weather Review 1990
Detecting energy-balance modifications at the onset of spring M.D. Schwartz; T.M. Crawford Physical Geography 2001
Examining the onset of spring in Wisconsin T. Zhao; M.D. Schwartz 05/2003 2003
Plant phenology in eastern and central North America. I. Development of networks and preliminary results. Vermont Agr. Exp. Sta R.J. Hopp; B.O. Blair Bull 1973

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