Work Description

Venus -like Exoplanet Simulations Utilizing the VTGCM numerical code.
S. W. Bougher (8/29/2022)
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List of Files and Contents:

Section #1
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There are 2-ascii files (*.dat), and 2-plots (*.pdf) for each of 4-simulation sets. One complete set contains both VTGCM state variables (2-D slices), and the
corresponding heat balance (HTBAL) terms (1-D profiles). These 7-state variables are found in vtgcm.VEN*.ZP.FLDS7.dat and *.pdf files; the 5-heat balance terms
are found in vtgcm.HTBAL.VEN*.dat and *.pdf files.

These state variables are as follows:
(1) Height (km)
(2) Neutral Temperature (K)
(3) Atomic O mixing ratio
(4) Atomic CO mixing ratio
(5) Atomic CO2 mixing ratio
(6) Atomic O2 mixing ratio
(7) Zonal winds (m/sec)

These heat balances ternms are as follows:
(1) EUV heating rate (k/day)
(2) Near-IR heating rate (K/day)
(3) CO2 15-micron cooling rate (K/day)
(4) Molecular thermal conduction rate (K/day)
(5) Total dynamical heating/cooling rate (K/day)

The Domain and Grid structure for these 2-D tables is as follows: all at LAT = 2.5N
(1) Fast variable: Longitude (0.0 to 180 to 360, by 5.0 degree intervals)
Local time (LT = 0.0 to 12.0 to 24.0, by 0.33 hour intervals)

(2) Slow variable: Log pressure (Zp): -16.0 to 18.0, by 0.5 intervals

The Grid structure for these 1-D profiles is as follows: all at LT = 12.0, and LAT = 2.5N
(1) Only variable: Altitude (km): 70.0 to 200.0, by 2.0 km intervals

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Simulation descriptions and associated files:
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1. Simulation #1: VTGCM case VEN1: Baseline modern solar mninimum conditions (like that for late Venus Express mission)
a. State variables (2-D): *.dat and *.pdf
b. Heat balances (1-D): *.dat and *.pdf

2. Simulation #2: case VEN2: Baseline conditions (now using GJ436 solar fluxes, at D = 0.72 AU)
a. State variables (2-D): *.dat and *.pdf
b. Heat balances (1-D): *.dat and *.pdf

3. Simulation #3: case VEN3: Baseline conditions (now using GJ436 solar fluxes, at D = 0.38 AU)
a. State variables (2-D): *.dat and *.pdf
b. Heat balances (1-D): *.dat and *.pdf

4. Simulation #4: case VEN4: Baseline conditions (now using GJ436 solar fluxes, at D = 0.175 AU)
a. State variables (2-D): *.dat and *.pdf
b. Heat balances (1-D): *.dat and *.pdf

Section #2
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There are 2-ascii files (*.dat), only, for each of 4-simulation sets. One set contains both 7-state variables (2-D slices), and
the other corresponding 5-heat balances (HTBAL) terms. Some HTBAL come from 2-D slices from which 1-D profiles can be extracted;
others come straight from 1-D profiles (at LT = 12 and LAT = 2.5N). Same 2-D and 1-D grid structure is used as above.

5. Simulation #5: case VEN4(0p7): Baseline conditions (now using GJ436 solar fluxes, at D = 0.175 AU, near-IR scaled by 0.7)
a. State variables (2-D): *.dat
b. Heat balances (2-D): *.dat

6. Simulation #6: case VEN4(1p3): Baseline conditions (now using GJ436 solar fluxes, at D = 0.175 AU, near-IR scaled by 1.3)
a. State variables (2-D): *.dat
b. Heat balances (2-D): *.dat

7. Simulation #7: case VEN4(2XIR): Baseline conditions (now using GJ436 solar fluxes, at D = 0.175 AU, near-IR scaled by 2.0)
a. State variables (2-D): *.dat
b. Heat balances (1-D): *.dat

8. Simulation #8: case VEN4(4XIR): Baseline conditions (now using GJ436 solar fluxes, at D = 0.175 AU, near-IR scaled by 4.0)
a. State variables (2-D): *.dat
b. Heat balances (1-D): *.dat

Repository Files and Connections:
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* vtgcm.VEN1.ZP.FLDS7.dat (VEN1: 2-D slices of state variables)
vtgcm.VEN1.ZP.FLDS7.pdf

* vtgcm.VEN2.ZP.FLDS7.dat (VEN2: 2-D slices of state variables)
vtgcm.VEN2.ZP.FLDS7.pdf

* vtgcm.VEN3.ZP.FLDS7.dat (VEN3: 2-D slices of state variables)
vtgcm.VEN3.ZP.FLDS7.pdf

* vtgcm.VEN4.ZP.FLDS7.dat (VEN4: 2-D slices of state variables)
vtgcm.VEN4.ZP.FLDS7.pdf

* vtgcm.HTBAL.VEN1.dat (VEN1: 1-D Profiles of heat balances)
vtgcm.HTBAL.VEN1.pdf

* vtgcm.HTBAL.VEN2.dat (VEN2: 1-D Profiles of heat balances)
vtgcm.HTBAL.VEN2.pdf

* vtgcm.HTBAL.VEN3.dat (VEN3: 1-D Profiles of heat balances)
vtgcm.HTBAL.VEN3.pdf

* vtgcm.HTBAL.VEN4.dat (VEN4: 1-D Profiles of heat balances)
vtgcm.HTBAL.VEN4.pdf

* vtgcm.VEN4.QNIR0p7.FLDS7.dat (VEN4(0p7): 2-D slices of state variables)

* vtgcm.VEN4.QNIR1p3.FLDS7.dat (VEN4(1p3): 2-D slices of state variables)

* vtgcm.VEN4.2XIR.FLDS7.dat (VEN4(2XIR): 2-D slices of state variables)

* vtgcm.VEN4.4XIR.FLDS7.dat (VEN4(4XIR): 2-D slices of state variables)

* vtgcm.VEN4.QNIR0p7.Flds5.HTBAL.dat (VEN4(0p7): 2-D slices of heat balances)

* vtgcm.VEN4.QNIR1p3.Flds5.HTBAL.dat (VEN4(1p3): 2-D slices of heat balances)

* vtgcm.VEN4.2XIR.HTBAL1D.100SOLb.dat (VEN4(2XIR): 1-D slices of heat balances)

* vtgcm.VEN4.4XIR.HTBAL1D.100SOLb.dat (VEN4(4XIR): 1-D slices of heat balances)
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