remove partridge, update uoregon

Author: RDaxini

pvlib/irradiance.py

@@ -36,7 +36,7 @@ def get_extra_radiation(datetime_or_doy, solar_constant=1366.1,
     Determine extraterrestrial radiation from day of year. Specific references
     for each method of caclulating the earth-sun distance are cited in the
     parameter descriptions below, while a more general discussion of the
-    different models may also be found in [1]_ and [2]_.
+    different models may also be found in [1]_, [2]_, and [3]_.
 
     Parameters
     ----------
@@ -48,8 +48,8 @@ def get_extra_radiation(datetime_or_doy, solar_constant=1366.1,
 
     method : string, default 'spencer'
         The method by which the extraterrestrial radiation should be
-        calculated. Options include: 'pyephem', 'spencer' [2]_, 'asce' [3]_,
-        'nrel' [4]_.
+        calculated. Options include: 'pyephem', 'spencer' [4]_, 'asce' [5]_,
+        'nrel' [6]_.
 
     epoch_year : int, default 2014
         The year in which a day of year input will be calculated. Only
@@ -75,24 +75,22 @@ def get_extra_radiation(datetime_or_doy, solar_constant=1366.1,
 
     .. [2] Duffie, J. A. and Beckman, W. A. 1991. Solar Engineering of
        Thermal Processes, 2nd edn. J. Wiley and Sons, New York.
-       
-       [3] J. W. Spencer, "Fourier series representation of the sun," Search,
+    
+    .. [3] "Solar Radiation Basics". University of Oregon. Accessed: 04 April,
+       2025. [Online.] Available <https://web.archive.org/web/20240424224453/ \
+           http://solardata.uoregon.edu/SolarRadiationBasics.html
+
+    .. [4] J. W. Spencer, "Fourier series representation of the sun," Search,
        vol. 2, p. 172, 1971.
 
-    .. [4] R. G. Allen, Environmental, and E. Water Resources institute. Task
+    .. [5] R. G. Allen, Environmental, and E. Water Resources institute. Task
        Committee on Standardization of Reference, The ASCE standardized
        reference evapotranspiration equation. Reston, Va.: American Society of
        Civil Engineers, 2005
 
-    .. [5] I. Reda, A. Andreas, "Solar position algorithm for solar
+    .. [6] I. Reda, A. Andreas, "Solar position algorithm for solar
        radiation applications" NREL Golden, USA. NREL/TP-560- 34302, 2008.
 
-    .. [6] http://solardata.uoregon.edu/SolarRadiationBasics.html, Eqs.
-       SR1 and SR2
-
-    .. [7] Partridge, G. W. and Platt, C. M. R. 1976. Radiative Processes
-       in Meteorology and Climatology. 
-
     """
 
     to_doy, to_datetimeindex, to_output = \