.melt |
refers to a molten data frame (all data under a single column) |
A |
indicates an assumption |
acr |
acre |
addl |
additional |
adj |
adjusted from original data table of the same name |
adv |
advanced scenario |
AEZ |
by AEZ (agro-ecological zone) |
ag |
agricultural product |
agg |
aggregated from original categories |
agg |
aggregate, as in an aggregate sector |
agProdChange |
agricultural productivity change, as annual improvement rate |
ALL |
full mass balance table: production, net exports, supply, and all tracked dispositions |
an |
animal product |
archv |
FAO archive data (early years for data split by years) |
arid |
arid (refers to arid AEZs) |
avg |
average |
bal |
balances |
bbl |
barrels |
bbld |
barrels per day |
bil |
billion |
bio |
biomass |
bld |
building sector |
bm2 |
billion square meters, or thousand square kilometers |
bm3 |
billion cubic meters (cubic kilometers) |
by |
base year |
C |
by GCAM commodity |
C |
carbon |
C_density |
carbon density |
cal |
calibrated |
cal |
caloric content |
Capture |
CO2 capture |
Carbon |
carbon |
Ccoef |
carbon emissions coefficient |
ccs |
carbon capture and storage |
CDD |
cooling degree days (Fahrenheit) |
Cdensity |
carbon density |
CDIAC |
Carbon Dioxide Information Analysis Center |
cement |
cement |
chp |
combined heat and power |
CL |
cropland |
cm |
global gridded crop model |
Cnf |
by GCAM commodity, not including fodder crops |
coef |
input-output coefficient |
comm |
commercial sector |
conv |
conversion |
conv |
convergence |
cost |
input-cost |
crop |
plant-based food commodities |
crude |
crude oil |
ctry |
country |
curve |
supply curve |
d |
day |
DepRsrc |
depletable resource |
det |
detailed, as in a detailed sector |
Diet |
consumer diet |
digits |
number of digits (used for rounding) |
distribution |
energy transmission, distribution, delivery |
EcYield |
economic yield (output per unit of cropland per year) |
eff |
efficiency (output/input) |
EGS |
enhanced geothermal systems |
EIA |
Energy Information Administration |
EJ |
exajoules |
elas |
elasticity |
elast |
elasticity |
elec |
electricity |
electd |
electricity transmission and distribution |
emiss |
emissions |
en |
energy |
enduse |
end-use sectors (buildings, industry, transportation) |
ErosCtrl |
quantity of resbio left in situ for erosion control |
Exp |
exports |
F |
by feed type |
F |
by fuel type |
FAO |
United Nations Food and Agriculture Organization |
fao |
FAO category (e.g. Rfao - by FAO year) |
FAO2050 |
FAO Agriculture Towards 2050 report |
fby |
final base year |
Feed |
animal feed |
Fert |
fertilizer |
Fi |
intermediate fuel |
Fiber |
fiber crops |
fin |
final |
FixOut |
fixedOutput |
Fllt |
fillout (fillout = 1) |
flow |
flow in IEA energy balances; similar to a sector or a use |
flsp |
floorspace |
fn |
function |
fn |
filename |
Fodder |
fodder crops |
Food |
consumption by humans |
For |
forest |
fos |
fossil energy |
frac |
fraction |
FuelPref |
fuelprefElasticity |
fuelshare |
share by specified fuel |
full |
complete; with all applicable combinations included |
fy |
future years |
gas |
natural or synthetic gaseous fuel |
gaspipe |
gas pipeline |
gasproc |
gas processing |
Gcal |
gigacalories |
gcam3 |
from, or consistent with, GCAM 3.0/3.1 |
gcm |
general circulation (climate) model |
GDP |
GDP (gross domestic product) |
gepic |
GEPIC global gridded crop model |
GIS |
from geospatial data |
GJ |
gigajoules |
GJt |
gigajoules per tonne |
globaltech |
global technology |
Grass |
Grassland |
GrdRenewRsrc |
graded renewable resource |
GTAP |
Global Trade Analysis Project |
H |
hydrogen |
h2 |
hydrogen |
HA |
harvested area |
Ha |
hectares |
ha |
hectares |
harv |
harvested |
HDD |
heating degree days (Fahrenheit) |
heat |
district heat |
hist |
historical |
hydro |
hydroelectric power |
i |
by input |
IEA |
International Energy Agency |
iea |
IEA category |
IFA |
International Fertilizer Industry Association |
ifa |
IFA category (e.g. Rifa - by IFA year) |
IMAGE |
IMAGE integrated assessment model |
img |
IMAGE category (e.g. Rimg - by IMAGE year) |
Imp |
imports |
imp |
imports |
in |
input |
ind |
industrial sector |
indenergy |
industrial energy use |
indfeed |
industrial feedstocks |
info |
general information |
input |
minicam-energy-input |
interp |
interpolation |
intlship |
international shipping |
inttech |
intermittent-technology |
IO |
input-output coefficient (intensity) |
iso |
three-digit lower-case country ISO code |
Jatr |
Jatropha |
kbbl |
thousand barrels |
kbbld |
thousand barrels per day |
kcal |
kilocalories |
kgC |
kilograms of carbon |
kHa |
kilohectares |
km2 |
square kilometers |
km3 |
cubic kilometers (= billion cubic meters) |
kt |
kilotonnes |
ktoe |
kilotonnes of oil equivalent |
kw |
kilowatt |
kwh |
kilowatt-hours |
L1 |
level1 data / processing-code |
L2 |
level2 data / processing-code |
LC |
land cover |
LCi |
land cover, incomplete in that non-existent combinations are not written out |
liq |
refined liquid fuels |
LN |
land node |
loadfactor |
transportation load factor (pers/veh or tonnes/veh) |
Logit |
logit-exponent |
lpjml |
LPJmL global gridded crop model |
LT |
land type |
LTsage |
SAGE land type |
LV |
Land Value |
m |
transportation mode |
m2 |
square meters |
m3 |
cubic meters |
max |
indicates a maximum value |
Mcal |
megacalories |
meat |
animal-based food commodities |
MER |
market exchange rates |
Mgd |
managed |
mi |
model interface |
mil |
million |
Mill |
milling (forest product processing) |
min |
indicates a minimum value |
MJ |
megajoules |
Mm3 |
million cubic meters |
most |
most (to the greatest extent) |
MSW |
municipal solid waste |
Mt |
megatonnes (= teragrams) |
mult |
multiplier |
N |
nitrogen |
names |
column names |
NEcost |
non-energy cost |
neg |
negative values only (positive values set to 0) |
NetExp |
net exports (positive values = net exporter, negative values = net importer) |
NH3 |
anhydrous ammonia |
nonenergy_Cseq |
carbon sequestration through non-energy use |
nonexist |
that do not exist |
nonfood |
agricultural commodity demands other than for food, animal feed, or bioenergy |
nonmotor |
non-motorized, as a transportation mode (i.e., walking and cycling) |
nonspec |
non-specified |
noresm |
NorESM general circulation model |
num |
numerical (i.e. not prefixed by “X”) |
OM |
operations and maintenance |
OMfixed |
fixed O&M costs |
OMvar |
variable O&M costs |
OtherUses |
Other uses of ag commodities; includes processing losses, energy/industrial uses, seed, waste, stock changes, and other uses. |
out |
output |
ownuse |
own use of energy, generally electricity |
P |
price |
passthru |
pass-through sector or technology |
Past |
pasture |
pc |
per-capita |
Pcal |
petacalories |
pcGDP |
per-capita GDP |
peak |
at peak biomass |
Pg |
petagrams |
PJ |
petajoules |
pkm |
passenger kilometers |
pol |
polar (refers to polar AEZs) |
pop |
population |
popl |
poplar |
pos |
positive values only (negative values set to 0) |
PPP |
purchasing power parity |
prelim |
preliminary estimate, to be revised later |
primary |
primary energy |
Prod |
production |
product |
product in IEA energy balances; similar to a fuel |
Protect |
protected lands (lands removed from economic land competition) |
R |
by GCAM region |
rate |
annual rate of change |
ratio |
ratio from a specified year |
RCP |
representative concentration pathway |
ref |
reference scenario |
refining |
refining |
reg |
region |
renew |
renewable |
RenewRsrc |
renewable resource |
rep |
repeated by… |
res |
residential sector |
resbio |
residue biomass |
retire |
retirement parameters |
RFO |
residual fuel oil |
RG3 |
region from GCAM 3.0 |
roofPV |
rooftop photovoltaic |
Rsrc |
resource |
rsrc |
resource |
S |
by system (mixed, pastoral) |
S |
by sector |
Scen |
scenario |
Sepa |
EPA sectors |
serv |
service, generally for the buildings sector |
shell |
building shell |
Shrub |
Shrubland |
shrwt |
share-weight |
Si |
by intermediate sector |
SmthRenewRsrc |
smooth renewable resource |
SSP |
shared socioeconomic pathway |
state |
by state in the USA |
StubTech |
stub-technology |
SubRsrc |
subresource |
subs |
subsector |
supp |
supplysector |
Supply |
domestic supply (= total consumption = production - net exports) |
swgr |
switchgrass |
sz |
vehicle size class |
t |
tonnes |
t |
technology |
tech |
technology |
Tg |
teragrams |
tha |
tonnes per hectare |
thous |
thousand |
tkm |
tonne kilometers |
TOT |
total |
TPES |
total primary energy supply (= total consumption = production - net exports) |
tradbio |
traditional biomass |
trn |
transportation sector |
trop |
tropical (refers to tropical AEZs) |
U |
uranium |
UCD |
UC Davis (developers of GCAM 4.0 transportation database) |
unconv_oil |
unconventional oil |
UnlimitRsrc |
unlimited resource |
UnMgd |
unmanaged |
unoil |
unconventional oil |
USD |
US dollars (generally indicated by a dollar year) |
V |
value |
value |
land value |
Veg |
vegetation |
vkm |
vehicle kilometers |
VOTT |
value of time in transit |
wind |
wind energy |
Y |
year |
yearcols |
year columns |
Yfut |
future years |
Yh |
historical years |
Yield |
yield (generally on a harvested area basis, but may be on an economic basis) |
Ynsy |
Year (non-specified years) |
Yr |
year |
Ysy |
Year (specified years) |