Description Usage Arguments Value
Local adaptation of solar irradiance series with coincident ground measurements
1 | ad_hoc(latitude, calibrating_period, target_period, z)
|
latitude |
Sun elevation angle (degrees) above horizon |
calibrating_period |
Data frame containing, at least: Time (UTC time stamp, in format "YYYY-MM-DD hh:mm:ss"); GHI_measured (measured GHI values); GHI_model (modeled GHI values); Elevation (Sun elevation above horizon, in degrees); Kc (Clear-sky index (ratio of GHI_model with the concomitant modeled GHI under clear-sky conditions); DNI_measured (measured DNI values, optional parameter); DNI_model (modeled DNI values, optional parameter) |
target_period |
Data frame containing, at least: Time (time stamp, in format "YYYY-MM-DD hh:mm:ss"); GHI_model (modeled GHI values); Elevation (Sun elevation above horizon, in degrees); Kc (Clear-sky index (ratio of GHI_model with the concomitant modeled GHI under clear-sky conditions); DNI_model (modeled DNI values, optional parameter) |
z |
Site elevation above sea level (m) |
Time: UTC Time stamp, in format "YYYY-MM-DD hh:mm:ss"
GHI_adapted: locally adapted GHI series
DNI_adapted: locally adapted DNI series (if optional parameters have been provided)
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