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@@ -6,6 +6,15 @@ Definitions for category aggregation.
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# There are discrepancies of up to 100% due to rounding errors for small values,
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# for example, 0.0001 (rounded from 0.00006) + 0.0004 (rounded from 0.00036)
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# = 0.00042 which is then rounded to 0.0004, while the consistency check expects 0.0005
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+# There are even more extreme example, where we need a tolerance of 100%:
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+# Eswatini, 1976:
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+# 1.A.1.a Crop residues (emissions N2O) = 0.0001
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+# 1.A.1.a.i Crop residues (Indirect emissions N2O) = 0
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+# 1.A.1.a.ii Crop residues (Direct emissions N2O) = 0
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+# Our way to deal with it, was to set the tolerance to 1% and look at the
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+# countries / sectors that yielded an error. If only a few countries and years
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+# are affected, it is likely just a rounding error. If all years are affected
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+# there may be something wrong with the data
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agg_info_fao = {
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"category (FAO)": {
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"1.A.1.a": { # wheat
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@@ -203,6 +212,18 @@ agg_info_fao = {
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],
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"sel": {"variable": ["N2O"]},
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},
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+ # Only some crop types are burned on the field
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+ # Rounding errors up to 100% (see explanation above)
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+ "M.1.BCR": {
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+ "tolerance": 1,
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+ "sources": [
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+ "1.A.1.b", # wheat
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+ "1.A.2.b", # rice
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+ "1.A.6.b", # maize (corn)
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+ "1.A.7.b", # sugar cane
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+ ],
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+ "sel": {"variable": ["N2O", "CH4"]},
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+ },
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"1.A": {
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# crops
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"tolerance": 1,
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@@ -374,83 +395,66 @@ agg_info_fao = {
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}
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# aggregating each gas separately to make this easier to understand
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-# We can change it back to one dict once it's all organised
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+# We can change it back to one dict, once it's all sorted out
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agg_info_ipcc2006_primap_N2O = {
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"category (IPCC2006_PRIMAP)": {
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- "3.C.1": { # Emissions from Biomass Burning
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+ "M.3.C.1.AG": { # AG-related emissions from Biomass Burning
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"sources": [
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- # "3.C.1.a", # leaving out "Biomass Burning In Forest Lands", because not included in 2023 release
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- "3.C.1.b", # Biomass Burning In Croplands
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- "3.C.1.c", # Biomass Burning in Grasslands
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+ "3.C.1.b", # Biomass Burning In Croplands (FAO M.1.BCR All Crops - Burning crop residues)
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+ "3.C.1.c", # Biomass Burning in Grasslands (FAO 6.B savanna fires)
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],
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"sel": {"variable": ["N2O"]},
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},
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- "M.3.C.1.AG": { # AG-related emissions from Biomass Burning
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+ "3.C.1": { # Emissions from Biomass Burning (the same as M.3.C.1.AG)
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+ "sources": ["M.3.C.1.AG"],
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+ "sel": {"variable": ["N2O"]},
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+ },
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+ "3.C.4": { # Direct N2O Emissions from Managed Soils
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+ # We currently only have direct and indirect emissions combined in one category.
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+ # Therefore, we need to make a decision how to classify it. We decided to map it all to
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+ # direct emissions. In does not make a difference for the primap-hist sectors,
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+ # but TODO direct / indirect should be mapped individually
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+ "sources": [
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+ "M.3.C.45.MP", # Direct and indirect emissions from manure left on pasture (FAO M.3.MP)
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+ "M.3.C.45.MA", # Direct and indirect emissions from manure applied to soils (FAO M.3.MA)
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+ "M.3.C.45.CR", # Direct and indirect emissions from crop residues (FAO M.1.CR)
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+ "3.C.4.a", # synthetic fertilisers direct (FAO 1.B.1)
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+ "M.3.C.4.DOS.CL", # Drained cropland (FAO 5.A drained cropland)
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+ "M.3.C.4.DOS.GL", # Drained grassland (FAO 5.B drained grassland)
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+ ],
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+ "sel": {"variable": ["N2O"]},
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+ },
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+ "3.C.5": { # Indirect N2O Emissions from Managed Soils
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"sources": [
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- "3.C.1.b", # Biomass Burning In Croplands
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- "3.C.1.c", # Biomass Burning in Grasslands
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+ # Similarly to 3.C.4, 3.C.5 does not accurately represent the IPCC categories
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+ # There should be only indirect emissions in this category, but we only have direct and indirect combined,
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+ # except for "M.3.C.5.SF" which is only indirect
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+ "M.3.C.5.SF", # synthetic fertilisers indirect - there is no IPCC sub-category for this
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],
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"sel": {"variable": ["N2O"]},
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},
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"M.3.C.AG": {
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"sources": [
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- "3.C.1.b", # Biomass Burning In Croplands - looks good (CH4, N2O)
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- "3.C.1.c", # Biomass Burning in Grasslands - looks good (CH4)
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+ "M.3.C.1.AG", # AG-related emissions from Biomass Burning, same as 3.C.1
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"3.C.4", # Direct N2O Emissions from Managed Soils
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- "M.3.C.4.SF", # synthetic fertilisers direct
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- # "3.C.5", # Indirect N2O Emissions from Managed Soils, currently empty
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- "M.3.C.5.SF", # synthetic fertilisers indirect
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- # "3.C.6", # Indirect N2O Emissions from Manure Management, currently empty
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- "3.C.7", # rice cultivation
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- "3.B.2", # Drained grassland, was in LULUCF orginally
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- "3.B.3", # Drained cropland, was in LULUCF originally
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+ "3.C.5", # Indirect N2O Emissions from Managed Soils
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],
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"sel": {"variable": ["N2O"]},
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},
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"M.AG.ELV": {
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"sources": ["M.3.C.AG"],
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- "sel": {"variable": ["N2O"]}, # "M.3.D.AG" is zero
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+ "sel": {
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+ "variable": ["N2O"]
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+ }, # "M.3.D.AG" would be part of this, but does not exist
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},
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"3.C": {
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- "sources": [
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- "M.3.C.1.AG", # TODO 3.C.1 would be correct, but doesn't match 2023
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- "3.C.4", # Direct N2O Emissions from Managed Soils
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- "M.3.C.4.SF", # synthetic fertilisers direct
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- # "3.C.5", # Indirect N2O Emissions from Managed Soils, empty
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- "M.3.C.5.SF", # synthetic fertilisers indirect
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- # "3.C.6", # Indirect N2O Emissions from Manure Management, empty
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- "3.C.7", # rice cultivation
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- "3.B.2", # Drained grassland, was in LULUCF orginally
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- "3.B.3", # Drained cropland, was in LULUCF originally
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- ],
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- "sel": {"variable": ["N2O"]},
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- },
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- # TODO 3.A.2.x are currently not read in
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- # "3.A.2.a": { # decomposition of manure - CH4, N2O
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- # "sources": [
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- # "3.A.2.a.i", # cattle (dairy)
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- # "3.A.2.a.ii", # cattle (non-dairy)
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- # ],
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- # "sel": {"variable": ["N2O"]},
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- # },
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- # # consistency check
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- # "3.A.2": { # decomposition of manure - CH4, N2O
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- # "sources": [
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- # "3.A.2.a",
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- # "3.A.2.b",
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- # "3.A.2.c",
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- # "3.A.2.d",
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- # "3.A.2.e",
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- # "3.A.2.f",
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- # "3.A.2.g",
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- # "3.A.2.h",
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- # "3.A.2.i",
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- # "3.A.2.j",
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- # ],
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- # "sel": {"variable": ["N2O"]},
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- # },
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+ "sources": ["M.3.C.AG"],
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+ "sel": {"variable": ["N2O"]},
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+ },
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"3.A": {
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- "sources": ["3.A.1", "3.A.2"],
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+ "sources": [
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+ "3.A.2"
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+ ], # Manure management (3.A.1 is enteric fermentation and CH4 only)
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"sel": {"variable": ["N2O"]},
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},
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"M.AG": {
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@@ -463,10 +467,10 @@ agg_info_ipcc2006_primap_N2O = {
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"M.LULUCF": {
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"sources": [
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"3.B.1", # Carbon stock change in forests (FAO 4, or 4.A and 4.B)
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- "M.NFC",
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- # "3.B.2", # Drained grassland
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- # "3.B.3", # Drained cropland
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- "3.C.1.a", # Biomass Burning In Forests
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+ # Note that IPCC M.3.C.1.a biomass burning in forest goes to LULUCF and not to AG. According to the FAO
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+ # mapping document it is part of forest land.
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+ # M.3.C.1.a for CO2 is an exception, because it is already included in the carbon stock change (FAO 4)
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+ "M.3.C.1.a", # Biomass Burning In Forests (FAO 6.A forest fires)
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],
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"sel": {"variable": ["N2O"]},
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},
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@@ -479,55 +483,42 @@ agg_info_ipcc2006_primap_N2O = {
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agg_info_ipcc2006_primap_CO2 = {
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"category (IPCC2006_PRIMAP)": {
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- "3.C.1": { # Emissions from Biomass Burning
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- "sources": [
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- # "3.C.1.a", # Biomass Burning In Forest Lands, because not there in 2023 release
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- "3.C.1.b", # Biomass Burning In Croplands
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- "3.C.1.c", # Biomass Burning in Grasslands
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- ],
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- "sel": {"variable": ["CO2"]},
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- },
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- "M.3.C.1.AG": { # AG-related emissions from Biomass Burning
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- "sources": [
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- # "3.C.1.b", # Biomass Burning In Croplands
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- "3.C.1.c", # Biomass Burning in Grasslands
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- ],
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- "sel": {"variable": ["CO2"]},
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- },
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- "M.3.C.AG": {
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- "sources": ["M.3.C.1.AG"],
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- "sel": {"variable": ["CO2"]},
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- },
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- "3.C": {
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- "sources": [
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- "M.3.C.1.AG",
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- ],
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- "sel": {"variable": ["CO2"]},
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- },
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- "M.AG.ELV": {
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+ # CO2 is LULUCF only
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+ # To see which CO2 categories are mapped to LULUCF, go to the FAOSTAT data explorer
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+ # and select for item: IPCC aggregates -> LULUCF list, elements: Emissions (CO2), years: any, country: any
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+ # There will be four items for each country: Forestland, Net Forest Conversion, Fires in Organic Soils,
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+ # and Drained Organic Soils (CO2)
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+ # The selection for IPCC Agriculture will be empty, that means CO2 is all LULUCF
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+ "3.B.2": {
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"sources": [
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- "M.3.C.AG",
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+ "M.3.B.2.FOS", # crop land - fires in organic soils (6.C Fires in organic soils)
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+ "M.3.B.2.DOS", # crop land - drained organic soils (FAO 5.B Drained cropland)
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],
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"sel": {"variable": ["CO2"]},
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},
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- "M.AG": {
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+ "3.B.3": {
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"sources": [
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- "3.A",
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- "M.AG.ELV",
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+ "M.3.B.3.DOS", # grass land - drained organic soils (FAO 5.A Drained grassland)
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],
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"sel": {"variable": ["CO2"]},
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},
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"M.LULUCF": {
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"sources": [
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+ # Note that IPCC 3.B.1 comes from FAO 4 Carbon stock change in forests,
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+ # which is the sum of forestland and net forest conversion.
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+ # Also note that the category M.3.C.1.a (or FAO 6.A) forest fires would theoretically go
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+ # into LULUCF. However, according to https://files-faostat.fao.org/production/GT/GT_en.pdf
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+ # "The estimates from Forest fires exclude CO2, since these are
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+ # already covered in the carbon stock changes calculations carried out in the FAOSTAT
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+ # Forests domain." -> meaning CO2 is computed but not added to the LULUCF totals
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"3.B.1", # Carbon stock change in forests (FAO 4, or 4.A and 4.B)
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- "M.3.B.2.DOS", # crop land - drained organic soils
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- "M.3.B.2.FOS", # crop land - fires in organic soils
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+ "3.B.2", # crop land
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"3.B.3", # grass land
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],
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"sel": {"variable": ["CO2"]},
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},
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"3": {
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- "sources": ["M.AG", "M.LULUCF"],
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+ "sources": ["M.LULUCF"],
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"sel": {"variable": ["CO2"]},
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},
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}
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@@ -535,75 +526,30 @@ agg_info_ipcc2006_primap_CO2 = {
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agg_info_ipcc2006_primap_CH4 = {
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"category (IPCC2006_PRIMAP)": {
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- "3.A.1.a": { # enteric fermentation
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- "sources": [
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- "3.A.1.a.i", # cattle (dairy)
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- "3.A.1.a.ii", # cattle (non-dairy)
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- ],
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- "sel": {"variable": ["CH4"]},
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- },
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- "3.A.1": { # enteric fermentation
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+ "3.A": { # Livestock
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"sources": [
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- "3.A.1.a",
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- "3.A.1.b",
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- "3.A.1.c",
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- "3.A.1.d",
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- "3.A.1.e",
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- "3.A.1.f",
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- "3.A.1.g",
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- "3.A.1.h",
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- "3.A.1.j",
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+ "3.A.1", # enteric fermentation (FAO M.3.EF)
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+ "3.A.2", # manure management (FAO M.3.MM)
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],
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"sel": {"variable": ["CH4"]},
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},
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- # TODO 3.A.2.x are currently not read in
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- # "3.A.2.a": { # decomposition of manure - CH4, N2O
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- # "sources": [
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- # "3.A.2.a.i", # cattle (dairy)
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- # "3.A.2.a.ii", # cattle (non-dairy)
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- # ],
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- # "sel": {"variable": ["CH4"]},
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- # },
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- # # consistency check
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- # "3.A.2": { # decomposition of manure - CH4, N2O
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- # "sources": [
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- # "3.A.2.a",
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- # "3.A.2.b",
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- # "3.A.2.c",
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- # "3.A.2.d",
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- # "3.A.2.e",
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- # "3.A.2.f",
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- # "3.A.2.g",
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- # "3.A.2.h",
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- # "3.A.2.i",
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- # "3.A.2.j",
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- # ],
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- # "sel": {"variable": ["CH4"]},
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- # },
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- "3.A": {
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- "sources": ["3.A.1", "3.A.2"],
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- "sel": {"variable": ["CH4"]},
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- },
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"3.C.1": { # Emissions from Biomass Burning
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"sources": [
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- # "3.C.1.a", # Biomass Burning In Forest Lands, because not there in 2023 release
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- "3.C.1.b", # Biomass Burning In Croplands
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- "3.C.1.c", # Biomass Burning in Grasslands
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+ "3.C.1.b", # Biomass Burning In Croplands (FAO M.1.BCR))
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+ "3.C.1.c", # Biomass Burning in Grasslands (FAO 6.B savanna fires)
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],
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"sel": {"variable": ["CH4"]},
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},
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"M.3.C.1.AG": { # AG-related emissions from Biomass Burning
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"sources": [
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- "3.C.1.b", # Biomass Burning In Croplands
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- "3.C.1.c", # Biomass Burning in Grasslands
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+ "3.C.1", # Emissions from Biomass Burning
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],
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"sel": {"variable": ["CH4"]},
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},
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"M.3.C.AG": {
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"sources": [
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- "3.C.1.b", # Biomass Burning In Croplands - looks good (CH4, N2O)
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- "3.C.1.c", # Biomass Burning in Grasslands - looks good (CH4)
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- "3.C.7", # rice cultivation
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+ "M.3.C.1.AG", # AG-related emissions from Biomass Burning
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+ "3.C.7", # rice cultivation (FAO 1.A.2.c Rice cultivation)
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],
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"sel": {"variable": ["CH4"]},
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},
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@@ -621,17 +567,15 @@ agg_info_ipcc2006_primap_CH4 = {
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},
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"M.AG": {
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"sources": [
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- "3.A",
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- "M.AG.ELV",
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+ "3.A", # Livestock
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+ "M.AG.ELV", # Agriculture excluding livestock
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],
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|
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"sel": {"variable": ["CH4"]},
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|
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},
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|
"M.LULUCF": {
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"sources": [
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- "3.B.1", # Carbon stock change in forests
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- "3.B.2", # Drained grassland
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- "3.B.3", # Drained cropland
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- "3.C.1.a", # Biomass Burning In Forests
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+ "M.3.C.1.a", # Biomass Burning In Forests (FAO 6.A forest fires)
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+ "M.3.B.2.FOS", # cropland - fires in organic soils (FAO 6.C fires in organic soils)
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|
|
],
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|
|
"sel": {"variable": ["CH4"]},
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|
|
},
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crdanielbusch