Update references for new thermo calculations

Unidata · Mar 21, 2017 · 0bb5055 · 0bb5055
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Showing 2 changed files with 10 additions and 19 deletions.
diff --git a/docs/references.rst b/docs/references.rst
@@ -15,7 +15,10 @@ References
            Wea. Rev 87.10 (1959): 367-374.
 
 .. [Hobbs1977] Hobbs, Peter V. and Wallace, John M., 1977: Atmospheric Science, an
-           Introductory Survey. 71.
+           Introductory Survey.
+
+.. [Hobbs2006] Hobbs, Peter V. and Wallace, John M., 2006: Atmospheric Science, an Introductory
+           Survey. 2nd ed.
 
 .. [FCMR192003] Federal Coordinator for Meteorological Services and Supporting Research: Report on
            Wind Chill Temperature and Extreme Heat Indices: Evaluation and Improvement
@@ -33,6 +36,9 @@ References
 .. [Liang2010] Liang, Luming, and Dave Hale. "A stable and fast implementation
            of natural neighbor interpolation." (2010).
 
+.. [Markowski2010] Markowski, Paul and Richardson, Yvette, 2010: Mesoscale Meteorology in the
+           Midlatitudes.
+
 .. [Rothfusz1990] Rothfusz, L.P.: The Heat Index "Equation". Fort Worth, TX: Scientific Services
            Division, NWS Southern Region Headquarters, 1990.
            `SR90-23 <http://www.weather.gov/media/ffc/ta_htindx.PDF>`_

diff --git a/metpy/calc/thermo.py b/metpy/calc/thermo.py
@@ -527,7 +527,7 @@ def virtual_temperature(temperature, mixing, molecular_weight_ratio=epsilon):
     r"""Calculate virtual temperature.
 
     This calculation must be given an air parcel's temperature and mixing ratio.
-    The implementation uses the formula outlined in [8]_.
+    The implementation uses the formula outlined in [Hobbs2006] pg.80.
 
     Parameters
     ----------
@@ -548,11 +548,6 @@ def virtual_temperature(temperature, mixing, molecular_weight_ratio=epsilon):
     Notes
     -----
     .. math:: T_v = T \frac{\text{w} + \epsilon}{\epsilon\,(1 + \text{w})}
-
-    References
-    ----------
-    .. [8] Hobbs, Peter V. and Wallace, John M., 2006: Atmospheric Science, an Introductory
-           Survey. 2nd ed. 80.
     """
     return temperature * ((mixing + molecular_weight_ratio) /
                           (molecular_weight_ratio * (1 + mixing)))
@@ -564,7 +559,7 @@ def virtual_potential_temperature(pressure, temperature, mixing,
     r"""Calculate virtual potential temperature.
 
     This calculation must be given an air parcel's pressure, temperature, and mixing ratio.
-    The implementation uses the formula outlined in [9]_.
+    The implementation uses the formula outlined in [Markowski2010] pg.13.
 
     Parameters
     ----------
@@ -587,11 +582,6 @@ def virtual_potential_temperature(pressure, temperature, mixing,
     Notes
     -----
     .. math:: \Theta_v = \Theta \frac{\text{w} + \epsilon}{\epsilon\,(1 + \text{w})}
-
-    References
-    ----------
-    .. [9] Markowski, Paul and Richardson, Yvette, 2010: Mesoscale Meteorology in the
-           Midlatitudes. 13.
     """
     pottemp = potential_temperature(pressure, temperature)
     return virtual_temperature(pottemp, mixing, molecular_weight_ratio)
@@ -602,7 +592,7 @@ def density(pressure, temperature, mixing, molecular_weight_ratio=epsilon):
     r"""Calculate density.
 
     This calculation must be given an air parcel's pressure, temperature, and mixing ratio.
-    The implementation uses the formula outlined in [10]_.
+    The implementation uses the formula outlined in [Hobbs2006] pg.67.
 
     Parameters
     ----------
@@ -625,11 +615,6 @@ def density(pressure, temperature, mixing, molecular_weight_ratio=epsilon):
     Notes
     -----
     .. math:: \rho = \frac{p}{R_dT_v}
-
-    References
-    ----------
-    .. [10] Hobbs, Peter V. and Wallace, John M., 2006: Atmospheric Science, an Introductory
-           Survey. 2nd ed. 67.
     """
     virttemp = virtual_temperature(temperature, mixing, molecular_weight_ratio)
     return (pressure / (Rd * virttemp)).to(units.kilogram / units.meter ** 3)