Spatial Extent of Data
USGS Data Source
Plant Phenology Site Phenometrics + Accumulated Growing Degree Day Calculations for the continental United States (2009-2016)
This datafile consists of a subset of plant phenology observations drawn from the USA National Phenology Network’s National Phenology Database (www.usanpn.org). The data were collected by citizen and professional observers and archived and distributed by the USA National Phenology Network. Protocols are available in Denny et al. (2014). This datafile consists of plant phenology observations that were used in an effort to construct predictive models of phenophase transitions using accumulated growing degree days based on PRISM daily minimum and maximum temperature data. The phenology data were queried from the USA National Phenology Network on 9-25-16.
| Author(s) |
Theresa Crimmins 
|
| Publication Date | 2017 |
| Beginning Date of Data | 2009-01-01 |
| Ending Date of Data | 2016-09-25 |
| Data Contact | |
| DOI | https://doi.org/10.5066/F7XG9Q0X |
| Citation | Crimmins, T., 2017, Plant Phenology Site Phenometrics + Accumulated Growing Degree Day Calculations for the continental United States (2009-2016): U.S. Geological Survey data release, https://doi.org/10.5066/F7XG9Q0X. |
| Metadata Contact | |
| Metadata Date | 2020-08-27 |
| Related Publication | There was no related primary publication associated with this data release. |
| Citations of these data | No citations of these data are known at this time. |
| Access | public |
| License | http://www.usa.gov/publicdomain/label/1.0/ |
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Harvest Source: ScienceBase
Harvest Date: 2021-11-19T04:42:53.907Z
Harvest Date: 2021-11-19T04:42:53.907Z