Differences

This shows you the differences between two versions of the page.

--- radiativeconvectiveequilibrium [2025/02/06 11:35] – admin
+++ radiativeconvectiveequilibrium [2025/02/09 16:48] (current) – admin
@@ Line 1: / Line 1: @@
 ===== Radiative Convective Equilibrium =====
-//2025 Revision in progress//
+Here is the code: {{ :radcon_2025.tar.gz }} {{ :crm_2025.tar.gz |}}
 This page describes a series of simulations
@@ Line 33: / Line 33: @@
-  * **stn**, standard lapse rate of 6.5 K km^-1^ is used for the convective adjustment
+  * **stn**, standard lapse rate of 6.5 K km<sup>-1</sup> is used for the convective adjustment
   * **mst**, moist adiabatic lapse rate is used for the convective adjustment
   * **rad**, no convective adjustment, and no sensible heat flux from the surface
@@ Line 45: / Line 45: @@
   * model label: **stn**
   * Convective adjustment with the standard lapse rate.
-  * **Note:** the final input file to the CRM, and thus one consistent with radiative convective equilibrium, is offered at [[http://12characters.net/xcrm/crm.cgi | CRM Online]] as '''radconeq.in'''.  For your information, that file is also [[RadiativeConvectiveEquilibriumInput | here]], but with the temperature replaced by a ''*'', because those numbers are continually updated by the model.
+  * **Note:** the final input file to the CRM, and thus one consistent with radiative convective equilibrium, is offered at [[http://12characters.net/xcrm/crm.cgi | CRM Online]] as ''radconeq.in''.
 ----
@@ Line 72: / Line 72: @@
 ==== Double CO2 ====
- * model label '''stn2xw''': with specific humidity retained (from '''stn''')
+ * model label **stn2xw**: with specific humidity retained (from **stn**)
- * model label '''stn2x''': with relative humidity specified (specific humidity adjusting)
+ * model label **stn2x**: with relative humidity specified (specific humidity adjusting)
 ----
-||{{attachment:stn_stn2xw_stn2x.png}}||'''stn2x''' and '''stn2xw''' are equilibrium solutions with double CO2, but otherwise the same parameters as '''stn'''.  '''stn2xw''' has specific humidity identical to '''stn'''.  '''stn2x'''  has the relative humidity identical to '''stn''', except possibly in the stratosphere, where the "cold trap" at the tropopause may enforce a slightly different relative humidity.||
+^ {{ :stn_stn2xw_stn2x.png }} ^
+| **stn2x** and **stn2xw** are equilibrium solutions with double CO2, but otherwise the same parameters as **stn**.  **stn2xw** has specific humidity identical to **stn**.  **stn2x**  has the relative humidity identical to **stn**, except possibly in the stratosphere, where the "cold trap" at the tropopause may enforce a slightly different relative humidity.|
 ----
-||{{attachment:stn_stn2xw_stn2x_mx.png}}||The mixing ratio.  Notice the red curve overlies the blue.||
+<WRAP center 50% >
+^ {{ :stn_stn2xw_stn2x_mx.png }} ^
+| The mixing ratio.  Notice the red curve overlies the blue.|
+</WRAP>
 ----
 ==== Turn off convection ====
+<WRAP center 50%>
+^ {{ :stn_radw.png }} ^
+|**radw** has specific humidity retained from  **stn**.  The convective adjustment and the sensible heat flux from the surface is turned off.|
+</WRAP>
 ----
-||{{attachment:stn_radw.png}}||'''radw''' has specific humidity retained from  '''stn'''.  The convective adjustment and the sensible heat flux from the surface is turned off.||
-----
+^ {{ :stn_radw_mx.png }} ^
-||{{attachment:stn_radw_mx.png}}|| Specific humidity is invariant.  If plotted with respect to pressure levels, these curves would overlap.  But, being plotted with respect to z levels, they don't.||
+| Specific humidity is invariant.  If plotted with respect to pressure levels, these curves would overlap.  But, being plotted with respect to z levels, they don't.|
 ----
-== Moist adiabatic adjustment ==
+==== Moist adiabatic adjustment ====
+^ {{ :mst_mst2xw_mst2x.png }} ^
+|As in the *stn* simulations, but using the moist adiabatic lapse rate.  The moist adiabatic lapse rate decreases as temperature increases.  This property leads to a negative feedback in global warming forced by radiation. The specific comparison demonstrating the negative feedback is to compare the $\Delta T$ in **mst2x** with **stn2x**.|
 ----
-||{{attachment:mst_mst2xw_mst2x.png}}||As in the '''stn''' simulations, but using the moist adiabatic lapse rate.  The moist adiabatic lapse rate decreases as temperature increases.  This property leads to a negative feedback in global warming forced by radiation. The specific comparison demonstrating the negative feedback is to compare the &Delta;T in '''mst2x''' with '''stn2x'''.||
-----
+<WRAP center 50%>
-||{{attachment:mst_mst2xw_mst2x_mx.png}}||The mixing ratio.  Notice the red overlies the blue.||
+^ {{ :mst_mst2xw_mst2x_mx.png }} ^
+| The mixing ratio.  Notice the red overlies the blue.|
+</WRAP>
 ----
 ==== Increase solar radiation ====
+^ {{ :stn_stnsolw_stnsol.png }} ^
+|Warming forced by changing the solar constant in the model from 700 W m<sup>-2</sup> to 710 W m<sup>-2</sup>. The model has fixed zenith angle, with cosine=0.5. So the change in incoming solar radiation is 5 W m<sup>-2</sup>.  Being cloudless, the model has an albedo of approximately 0.16.  So the radiative forcing at the top of the atmosphere is 4.2 W m<sup>-2</sup>, comparable to double CO2.|
 ----
-||{{attachment:stn_stnsolw_stnsol.png}}||Warming forced by changing the solar constant in the model from 700 W m^-2^ to 710 W m^-2^. The model has fixed zenith angle, with cosine=0.5. So the change in incoming solar radiation is 5 W m^-2^.  Being cloudless, the model has an albedo of approximately 0.16.  So the radiative forcing at the top of the atmosphere is 4.2 W m^-2^, comparable to double CO,,,2,,.||
-----
+<WRAP center 50%>
-||{{attachment:stn_stnsolw_stnsol_mx.png}}||The mixing ratio.||
+^ {{ :stn_stnsolw_stnsol_mx.png }} ^
+|The mixing ratio.|
+</WRAP>