NocMig_meta | R Documentation |
Description of dusk, dawn and weather during NocMig recording session
NocMig_meta(lat = 52.03209, lon = 8.516775, date = Sys.Date() - 1)
lat |
latitude |
lon |
longitude |
date |
start date of NocMig recording |
(1) Extract dusk and dawn based on date and location (2) Retrieve weather data and (3) Compose two string for lists before and past midnight
strings follow the format suggested in https://www.hgon.de/fileadmin/HGONContent/03-Beobachten/07-NocMig/NocMig_Methodenstandardisierung_V1.pdf
Conversion wind direction from degrees to cardinal follows https://community.rstudio.com/t/convert-wind-direction-degrees-into-factors-in-a-data-frame/14636/2
Weather is summarised by computing mean (temp, windspeed) or mode (cloud cover, wind direction) during NocMig recording sessions, seperately for the time before and after midnight.
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