| .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) |