
 Info
MERRA Data Holdings
Both the short names and standard names adhere to conventions as described below:
Short Name Legend MCTFHVGGG 
Standard Name Legend ffffN_dd_ggg_Hv 
MCTFHVGGG
C: Configuration, where C is one of:
A = Assimilation; F = Forecast; S = Simulation

ffffN_dd_ggg_Hv
ffff: Frequency Type, where ffff is one of:
inst = Instantaneous; tavg = Time average; const = Time independent

MCTFHVGGG
T: Time Description, where T is one of:
I = Instantaneous; T = Time Averaged; C = Time Independent

ffffN_dd_ggg_Hv
N: Frequency, where N is one of:
1 = 1hourly; 3 = 3hourly; 6 = 6hourly; M = Monthly Mean; U = Monthly Diurnal Mean; 0 = Not Applicable;

MCTFHVGGG
F: Frequency, where F is one of:
1 = 1hourly;
3 = 3hourly;
6 = 6hourly;
M = Monthly Mean;
U = Monthly Diurnal Mean;
0 = Not Applicable

ffffN_dd_ggg_Hv
dd: Dimensions, where dd is one of:
2d = 2dimensional fields only;
3d = Mix of 2 and 3dimensional fields

MCTFHVGGG
H: Horizontal Resolution, where H is one of:
N = Native (2/3 x 1/2 deg);
F = Reduced Resolution Version of Model Grid (1.25 x 1 deg);
C = Reduced Resolution (1.25 x 1.25 deg)

ffffN_dd_ggg_Hv
ggg: Group, where ggg is one of:
ana = Direct analysis products;
asm = Assimilated state variables;
tdt = Tendencies of temperature;
udt = Tendencies of eastward and northward wind components;
qdt = Tendencies of specific humidity;
odt = Tendencies of ozone;
lnd = Land surface variables;
flx = Surface turbulent fluxes and related quantities;
mst = Moist processes;
cld = Clouds;
rad = Radiation;
trb = Turbulence;
slv = Single level;
int = Vertical integrals;
chm = Chemistry forcing

MCTFHVGGG
V: Vertical Location, where V is one of:
X = Twodimensional;
P = Pressure;
V = Model Layer Center;
E = Model Layer Edge

ffffN_dd_ggg_Hv
H: Horizontal Resolution, where H is one of:
N = Native (2/3 x 1/2 deg);
F = Reduced Resolution Version of Model Grid (1.25 x 1 deg);
C = Reduced Resolution (1.25 x 1.25 deg)

MCTFHVGGG
GGG: Group, where GGG is one of:
ANA = Direct analysis products;
ASM = Assimilated state variables;
TDT = Tendencies of temperature;
UDT = Tendencies of eastward and northward wind components;
QDT = Tendencies of specific humidity;
ODT = Tendencies of ozone;
LND = Land surface variables;
FLX = Surface turbulent fluxes and related quantities;
OCN = Ocean quantities;
MST = Moist processes;
CLD = Clouds;
RAD = Radiation;
TRB = Turbulence;
SLV = Single level;
INT = Vertical integrals;
CHM = Chemistry forcing

ffffN_dd_ggg_Hv
v: Vertical Location, where v is one of:
x = Twodimensional;
p = Pressure;
v = Model Layer Center;
e = Model Layer Edge


