Annex 2: Worksheets

ANNEX 2

WORKSHEETS

2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

A2.1

Volume 4: Agriculture, Forestry and Other Land Use

All the Worksheets in Annex I to Volume 4 of 2006 IPCC Guidelines remain valid. In the 2019 Refinement, 10
new worksheets are added here as new guidance consistent with main chapters of Volume 4 of 2019 Refinement
related to Biochar Amendments to Soils for Cropland and Grassland and Flooded Land.

BIOCHAR AND SOILS – CROLAND AND GRASSLAND WORKSHEETS
Authors
Stephen Michael Ogle (USA), Jeffrey Baldock (Australia)

FLOODED LAND WORKSHEETS
Authors
Catherine Ellen Lovelock (Australia), Bradford Sherman (Australia), Jukka Alm (Finland), Nathan Barros(Brazil), David Bastviken (Sweden), Jake J. Beaulieu (USA), Christopher Evans (UK), Michelle Garneau(Canada), Atle Harby (Norway), John Harrison (USA), David Pare (Canada), Yves Prairie (Canada), Hanne
Lerche Raadal (Norway), Chengyi Zhang (China)

Contributing Authors
Alistair Grinham (Australia), Bridget Deemer (USA), Zhe Li (China), Marco Aurelio Santos (Brazil)

A2.2

2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

Annex 2: Worksheets

Contents
Annex 2Worksheets

3B2

Cropland ............................................................................................................................................. A2.4

3B3

Grassland .......................................................................................................................................... A2.12

3B4

Wetlands ........................................................................................................................................... A2.20

2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

A2.3

Volume 4: Agriculture, Forestry and Other Land Use

CHAPTER 2

CROPLAND
SectorCategory
Category code
Sheet
Equation

Agriculture, Forestry and Other Land Use
Cropland Remaining Cropland: Annual change in carbon stocks in mineral soils
3B2a (Updated)
1 of 4Equation 2.2

Land-use category
Subcategories
for reportingyear
Initial land use

CLLand use during
reporting year

CL

CROPLAND REMAINING CROPLAN D

Mineral Soil Organic C stock in
the last year of the inventory
time period(tonnes C)

SOC(0) in Equation 2.25
SOC(0)

Equation 2.25, Formulation A in Box 2.1 of Section 2.3.3.1
Mineral Soil Organic C stock at
Time dependence of stock
the beginning of the inventorychange factors (D) or number
time periodof years over a single inventory
time period (T)(tonnes C)(yr)(default is 20 yr; if T>D thenSOC(0-T) in Equation 2.25
use the value of T)
D
SOC(0-T)

(a)

20

(b)

20

(c)

20

Annual change in carbon stocks
in mineral soils(tonnes C yr-1)∆CMineral as in Equation 2.25
∆CMineral

Total

A2.4

2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

Annex 2: Worksheets

SectorCategory
Category code
Sheet
Equation

Agriculture, Forestry and Other Land Use
Cropland Remaining Cropland: Annual change in carbon stocks in mineral soils
3B2a (Updated)
2 of 4Equation 2.2
Area in the last yearof an inventory
periodLand-use category
Subcategories
for reportingyear
Initial land use(ha)Land use during
reporting year
A(0)Equation 2.25, Formulation A in Box 2.1 of Section 2.3.3.1
Reference
Stock change factor
Stock change factor
Stock change factor
carbon stock
for land-use system
for management
for input of organicor sub-system
regimematter(tonnes C ha-1)

(-)

(-)

(-)

Table 2.3

Table 5.5

Table 5.5

Table 5.5

SOCref

FLU

FMG

FI

Mineral Soil
Organic C stock in
the last year of theinventory time
period(tonnes C)
SOC(0) in Equation
2.25

SOC(0)

(a)
CL

CL

(b)
(c)

Total

2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

A2.5

Volume 4: Agriculture, Forestry and Other Land Use

SectorCategory

Agriculture, Forestry and Other Land Use
Cropland Remaining Cropland: Annual change in carbon stocks in mineral soils

Category code

3B2a (Updated)

Sheet
Equation

3 of 4Equation 2.2

Land-use category

Subcategories
for reportingyear

Area at the
beginning of an
inventory period(ha)
Initial land use

Land use during
reporting year
A(0-T)

Equation 2.25, Formulation A in Box 2.1 of Section 2.3.3.1
Reference
Stock change factor
Stock change factor
Stock change factor
carbon stock
for land-use system
for management
for input of organicor sub-system
regimematter(tonnes C ha-1)

(-)

(-)

(-)

Table 2.3

Table 5.5

Table 5.5

Table 5.5

SOCref

FLU

FMG

FI

Mineral Soil
Organic C stock at
the beginning of theinventory time
period(tonnes C)
SOC(0-T) in
Equation 2.25

SOC(0-T)

(a)
CL

CL

(b)
(c)

Total

A2.6

2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

Annex 2: Worksheets

SectorCategory
Category code
Sheet
Equation
Land-use category
Initial land use

Land use during
reporting year

Agriculture, Forestry and Other Land Use
Cropland Remaining Cropland: Annual change in carbon stocks in organic soils
3B2a
4 of 4Equation 2.2
Subcategories
for reportingyear

Land area of cultivated organic soil(ha)A

Equation 2.26
Emission factor for climate type(tonnes C ha-1 yr-1)
Table 5.6
EFAnnual carbon loss from cultivated organic
soils(tonnes C yr-1)
LOrganic = A * EF
LOrganic

(a)
CL

CL

(b)
(c)

Total

2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

A2.7

Volume 4: Agriculture, Forestry and Other Land Use

CHAPTER 2

CROPLAND
SectorCategory
Category code
Sheet
Equation

Agriculture, Forestry and Other Land Use
Land Converted to Cropland: Annual change in carbon stocks in mineral soils
3B2b (Updated)
1 of 4Equation 2.2

Land-use category
Subcategories
for reportingyear
Initial land use

FLLand use during
reporting year

CL

LAND CONVERTED TO CROPLAN D

Mineral Soil Organic C stock in
the last year of the inventory
time period(tonnes C)

SOC(0) in Equation 2.25
SOC(0)

Equation 2.25, Formulation A in Box 2.1 of Section 2.3.3.1
Mineral Soil Organic C stock at
Time dependence of stock
the beginning of the inventorychange factors (D) or number oftime period
years over a single inventory
time period (T)(tonnes C)(yr)(default is 20 yr; if T>D then use
SOC(0-T) in Equation 2.25
the value of T)
D
SOC(0-T)

(a)

20

(b)

20

Annual change in carbon
stocks in mineral soils(tonnes C yr-1)∆CMineral as in Equation 2.25
∆CMineral

Sub-total
GL

CL

(a)

20

(b)

20

(a)

20

(b)

20

(a)

20

(b)

20

(a)

20

(b)

20

Sub-total
WL

CL
Sub-total

SLCLSub-totalOL

CLSub-total
Total

A2.8

2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

Annex 2: Worksheets

SectorCategory
Category code
Sheet
Equation

Land-use category

Agriculture, Forestry and Other Land Use
Land Converted to Cropland: Annual change in carbon stocks in mineral soils
3B2b (Updated)
2 of 4Equation 2.2
Subcategories
for reportingyear

Area in the last yearof an inventory
period(ha)
Initial land use

Land use during
reporting year
A(0)

FL

CL

Equation 2.25, Formulation A in Box 2.1 of Section 2.3.3.1
Reference
Stock change factor Stock change factor Stock change factor
carbon stock
for land-use system
for management
for input of organicor sub-system
regimematter(tonnes C ha-1)

(-)

(-)

(-)

Table 2.3

Table 5.5

Table 5.5

Table 5.5

SOCref

FLU

FMG

FI

Mineral Soil
Organic C stock in
the last year of theinventory time
period(tonnes C)
SOC(0) in Equation
2.25

SOC(0)(a)(b)

Sub-total
GL

CL

(a)
(b)

Sub-total
WL

CL

(a)
(b)

Sub-total
SL

CL

(a)
(b)

Sub-total
OL

CL

(a)
(b)

Sub-total
Total

2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

A2.9

Volume 4: Agriculture, Forestry and Other Land Use

SectorCategory
Category code
Sheet
Equation

Land-use category

Agriculture, Forestry and Other Land Use
Land Converted to Cropland: Annual change in carbon stocks in mineral soils
3B2b (Updated)
3 of 4Equation 2.2
Subcategories
for reportingyear

Area at the
beginning of an
inventory period(ha)
Initial land use

Land use during
reporting year
A(0-T)FL

CL

Equation 2.25, Formulation A in Box 2.1 of Section 2.3.3.1
Reference
Stock change factor
Stock change factor
Stock change factor
carbon stock
for land-use system
for management
for input of organicor sub-system
regimematter(tonnes C ha-1)

(-)

(-)

(-)

Table 2.3

Table 5.10

Table 5.10

Table 5.10

SOCref

FLU

FMG

FI

Mineral Soil
Organic C stock at
the beginning of theinventory time
period(tonnes C)
SOC(0-T) in
Equation 2.25

SOC(0-T)(a)(b)

Sub-total
GL

CL

(a)
(b)

Sub-total
WL

CL

(a)
(b)

Sub-total
SL

CL

(a)
(b)

Sub-total
OL

CL

(a)
(b)

Sub-total
Total

A2.10

2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

Annex 2: Worksheets

SectorCategory
Category code
Sheet
Equation

Agriculture, Forestry and Other Land Use
Land Converted to Cropland: Annual change in carbon stocks in organic soils
3B2b
4 of 4Equation 2.2
Land area of cultivated organic soil

Land-use category
Initial land use1
FL

Land use during
reporting year
CL

Subcategories forreporting year

(ha)A

Equation 2.26
Emission factor for climate type(tonnes C ha-1 yr-1)
Table 5.6
EFAnnual carbon loss from cultivatedorganic soils(tonnes C yr-1)
LOrganic = A * EF
LOrganic(a)(b)

Sub-total
GL

CL

(a)

(b)

Sub-total
WL

CL

(a)
(b)

Sub-total
SL

CL

(a)
(b)

Sub-total
OL

CL

(a)
(b)

Sub-total
Total
1

If data by initial land use are not available, use only "non-CL" in this column.

2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

A2.11

Volume 4: Agriculture, Forestry and Other Land Use

CHAPTER 3

GRASSLAND
SectorCategory

Category code
Sheet
Equation

Agriculture, Forestry and Other Land Use
Grassland Remaining Grassland: Annual change in carbon stocks in mineral soils
3B3a (Updated)
1 of 4Equation 2.2

Land-use category

Initial land
useLand useduringreporting
year

GRASSLAND REMAINING GRASSLAND

Subcategories
for reportingyear

Mineral Soil Organic C stock in
the last year of the inventory
time period(tonnes C)

SOC(0) in Equation 2.25
SOC(0)

Equation 2.25, Formulation A in Box 2.1 of Section 2.3.3.1
Mineral Soil Organic C stock at
Time dependence of stock
the beginning of the inventorychange factors (D) or number oftime period
years over a single inventory
time period (T)(tonnes C)(yr)(default is 20 yr; if T>D then use
SOC(0-T) in Equation 2.25
the value of T)
D
SOC(0-T)

Annual change in carbon stocks
in mineral soils(tonnes C yr-1)∆CMineral as in Equation 2.25
∆CMineral

(a)
GL

GL

(b)
(c)

Total

A2.12

2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

Annex 2: Worksheets

SectorCategory
Category code
Sheet
Equation

Agriculture, Forestry and Other Land Use
Grassland Remaining Grassland: Annual change in carbon stocks in mineral soils
3B3a (Updated)
2 of 4Equation 2.2

Land-use category

Initial land
useLand useduringreporting year

Subcategories
for reportingyear

Area in the last yearof an inventory
period(ha)A(0)

Equation 2.25, Formulation A in Box 2.1 of Section 2.3.3.1
Reference
Stock change factor
Stock change factor
Stock change factor
carbon stock
for land-use system
for management
for input of organicor sub-system
regimematter(tonnes C ha-1)

(-)

(-)

(-)

Table 2.3

Table 6.2

Table 6.2

Table 6.2

SOCref

FLU

FMG

FI

Mineral Soil Organic
C stock in the lastyear of the inventory
time period(tonnes C)
SOC(0) in Equation
2.25

SOC(0)

(a)
GL

GL

(b)
(c)

Total

2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

A2.13

Volume 4: Agriculture, Forestry and Other Land Use

SectorCategory
Category code
Sheet
Equation

Agriculture, Forestry and Other Land Use
Grassland Remaining Grassland: Annual change in carbon stocks in mineral soils
3B3a (Updated)
3 of 4Equation 2.2
Area at the
beginning of an
inventory period

Land-use category
Subcategories
for reportingyear
Initial land use

Land useduringreporting year(ha)

A(0-T)

Equation 2.25, Formulation A in Box 2.1 of Section 2.3.3.1
Reference
Stock change factor
Stock change factor
Stock change factor
carbon stock
for land-use system
for management
for input of organicor sub-system
regimematter(tonnes C ha-1)

(-)

(-)

(-)

Table 2.3

Table 6.2

Table 6.2

Table 6.2

SOCref

FLU

FMG

FI

Mineral Soil Organic
C stock at the
beginning of theinventory time
period(tonnes C)
SOC(0-T) in
Equation 2.25

SOC(0-T)

(a)
GL

GL

(b)
(c)

Total

A2.14

2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

Annex 2: Worksheets

SectorCategory
Category code
Sheet
Equation
Land-use category
Initial land
useLand useduringreporting year

Agriculture, Forestry and Other Land Use
Grassland Remaining Grassland: Annual change in carbon stocks in organic soils
3B3a
4 of 4Equation 2.2
Subcategories
for reportingyear

Land area of cultivated organic soil(ha)A

Equation 2.26
Emission factor for climate type(tonnes C ha-1 yr-1)
Table 6.3
EFAnnual carbon loss from cultivated organic
soils(tonnes C yr-1)
LOrganic = A * EF
LOrganic

(a)
GL

GL

(b)
(c)

Total

2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

A2.15

Volume 4: Agriculture, Forestry and Other Land Use

CHAPTER 3

GRASSLAND
SectorCategory

Agriculture, Forestry and Other Land Use
Land Converted to Grassland: Annual change in carbon stocks in mineral soils

Category code

3B3b (Updated)

Sheet
Equation

1 of 4Equation 2.2

Land-use category

Initial land
useFLLand useduringreporting year
GL

LAND CONVERTED TO GR ASSLAND

Subcategories
for reportingyear

Mineral Soil Organic C stock in
the last year of the inventory
time period(tonnes C)

SOC(0) in Equation 2.25
SOC(0)(a)Equation 2.25, Formulation A in Box 2.1 of Section 2.3.3.1
Mineral Soil Organic C stock at
Time dependence of stock
the beginning of the inventorychange factors (D) or number oftime period
years over a single inventory
time period (T)(tonnes C)(yr)(default is 20 yr; if T>D thenSOC(0-T) in Equation 2.25
use the value of T)
D
SOC(0-T)
20

(b)

20

Annual change in carbon stocks
in mineral soils(tonnes C yr-1)∆CMineral as in Equation 2.25
∆CMineral

Sub-total
CL

GL

(a)

20

(b)

20

(a)

20

(b)

20

(a)

20

(b)

20

(a)

20

(b)

20

Sub-total
WL

GL
Sub-total

SL

GL
Sub-totalOL

GL
Sub-total
Total

A2.16

2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

Annex 2: Worksheets

SectorCategory

FL

Land Converted to Grassland: Annual change in carbon stocks in mineral soils

Category code

3B3b (Updated)

Sheet
Equation

2 of 4Equation 2.2

Land-use category

Initial landuse

Agriculture, Forestry and Other Land Use

Subcategories forreporting year

(ha)Land useduringreporting year
GL

Area in the last yearof an inventory
periodA(0)Equation 2.25, Formulation A in Box 2.1 of Section 2.3.3.1
Reference
Stock change factor
Stock change factor
Stock change factor
carbon stock
for land-use system
for management
for input of organicor sub-system
regimematter(tonnes C ha-1)

(-)

(-)

(-)

Table 2.3

Table 6.2

Table 6.2

Table 6.2

SOCref

FLU

FMG

FI

Mineral Soil
Organic C stock in
the last year of theinventory time
period(tonnes C)
SOC(0) in Equation
2.25

SOC(0)(a)(b)

Sub-total
CL

GL

(a)
(b)

Sub-total
WL

GL

(a)
(b)

Sub-total
SL

GL

(a)
(b)

Sub-total
OL

GL

(a)
(b)

Sub-total
Total

2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

A2.17

Volume 4: Agriculture, Forestry and Other Land Use

SectorCategory

FL

Land Converted to Grassland: Annual change in carbon stocks in mineral soils

Category code

3B3b (Updated)

Sheet
Equation

3 of 4Equation 2.2

Land-use category

Initial landuse

Agriculture, Forestry and Other Land Use

Subcategories forreporting year

(ha)Land useduringreporting year
GL

Area at the
beginning of an
inventory period

A(0-T)

Equation 2.25, Formulation A in Box 2.1 of Section 2.3.3.1
Reference
Stock change factor
Stock change factor
Stock change factor
carbon stock
for land-use system
for management
for input of organicor sub-system
regimematter(tonnes C ha-1)

(-)

(-)

(-)

Table 2.3

Table 5.5 (Cropland);
1 for other uses

Table 5.5 (Cropland);
1 for other uses

Table 5.5 (Cropland);
1 for other uses

Mineral Soil
Organic C stock at
the beginning of theinventory time
period(tonnes C)
SOC(0-T) in
Equation 2.25

SOCref

FLU

FMG

FI

SOC(0-T)(a)(b)

Sub-total
CL

GL

(a)
(b)

Sub-total
WL

GL

(a)
(b)

Sub-total
SL

GL

(a)
(b)

Sub-total
OL

GL

(a)
(b)

Sub-total
Total

A2.18

2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

Annex 2: Worksheets

SectorCategory
Category code
Sheet
Equation

Agriculture, Forestry and Other Land Use
Land Converted to Grassland: Annual change in carbon stocks in organic soils
3B3b
4 of 4Equation 2.2
Land area of cultivated organic soil

Land-use category
Initial land use1

FL

Land use during
reporting year
GL

Subcategories forreporting year

(ha)A

Equation 2.26
Emission factor for climate type(tonnes C ha-1 yr-1)
Table 6.3
EFAnnual carbon loss from cultivatedorganic soils(tonnes C yr-1)
LOrganic = A * EF
LOrganic(a)(b)

Sub-total
CL

GL

(a)
(b)

Sub-total
WL

GL

(a)
(b)

Sub-total
SL

GL

(a)
(b)

Sub-total
OL

GL

(a)
(b)

Sub-total
Total
1

If data by initial land use are not available, use only "non-GL" in this column.

2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

A2.19

Volume 4: Agriculture, Forestry and Other Land Use

CHAPTER 7

WETLANDS
SectorCategory
Category code
Sheet

Land-use category

Initial land use

WLFlooded

Land useduringreporting year

FLOODED LAN D REMAINING FLOODED LAND

Agriculture, Forestry and Other Land Use
Non CO2 emissions for Flooded Land remaining Flooded Land
3B4aii1 of 3
Non CO2 emissions/removals from Flooded Land remaining Flooded Land
Equation 2.2
Equation 7.10B
Annual total reservoir CH4 emissions (forAnnual surface reservoir CH4 emissions (forAnnual downstream reservoir CH4 emissions
Reservoirs >20 years oldReservoirs >20 years old(for Reservoirs >20 years old(Flooded Land remaining Flooded Land)
Subcategories
kg CH4 yr-1
kg CH4 yr-1
kg CH4 yr-1
for reporting
FCH4tot  FCH4 res  FCH4 downstreame
year
Equation 7.10B
Equation 7.10C
FCH4res

FCH4downstream

FCH4tot

WLFlooded
Total

A2.20

2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

Annex 2: Worksheets

SectorCategory
Category code
Sheet

Agriculture, Forestry and Other Land Use
Non CO2 emissions for Flooded Land remaining Flooded Land
3B4aii2 of 3
Non CO2 emissions/removals from Flooded Land remaining Flooded Land
Equation 2.2
Equation 7.10B

Land-use category
Subcategories
for reportingyear
Initial land use

Total Area of Flooded
Land remaining Flooded
Land (Reservoir > 20 yrs
old “i”) located in a
climate zone “j”

Emission factor for CH4
emitted from Flooded
Land for reservoir > 20 yrs
located in a climate zone“j”

Emission factor adjustment
for trophic state (αi) inreservoir i within a given
climate zone.

Annual surface reservoir CH4 emissions (forReservoirs >20 years old(Flooded Land remaining Flooded Land)ha

kg CH4 ha-1 yr-1

Dimension-less

kg CH4 yr-1

1.0 for Tier1

FCH4 res     i EFCH4 age20, j Atot j ,i6 nres j

Land useduringreporting year

Table 7.9

j 1 i 1

Atot
WLFlooded

EF

αi





FCH4res

WLFlooded
Total2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

A2.21

Volume 4: Agriculture, Forestry and Other Land Use

SectorCategory
Category code
Sheet
Equation

Land-use category

Initial land use

Agriculture, Forestry and Other Land Use
Non CO2 emissions for Flooded Land remaining Flooded Land
3B4aii3 of 3
Non CO2 emissions/removals from Flooded Land remaining Flooded Land
Equation 7.10C
Equation 2.2
Total Area of Flooded
Emission factor for
Emission factor
Land remaining
CH4 emitted fromadjustment for trophic
Annual downstream reservoir CH4 emissions (forFlooded Land
Flooded Land forstate (αi) in reservoir i
Reservoirs >20 years old(Reservoir > 20 yrs oldreservoir > 20 yrs
within a given climate(Flooded Land remaining Flooded Land)“i”) located in a climate
located in a climatezone.
zone “j”
zone “j”-1-1
Subcategories
hakg CH4 ha yr
Dimension-less
kg CH4 yr-1
for reportingyear
6 nres j

Land useduringreporting year

Table 7.9

j 1 i 1

Atot
WLFlooded

1.0 for Tier 1

EF

αi





FCH4 downstreame     i EFCH4 age 20, j Atot j ,i Rd ,i
FCH4downstream

WLFlooded
Total

A2.22

2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

Annex 2: Worksheets

CHAPTER 7

WETLANDS
SectorCategory

Agriculture, Forestry and Other Land Use
CO2 emissions from Land converted to Flooded Land

Category code

3B4biiSheet

1 of 1Equation

Land useduringreporting year

CO2-C emissions/removals for Land converted to Flooded Land
Equation 7.13

Equation 2.2

Land-use category1

Initial land use2

LAND CONVERTED TO FLOODED LAND

Subcategories
for reportingyear

Total area of reservoir water surface forreservoir 'i' located in climate zone 'j'

Emission factor for CO2-C for
reservoir ≤ 20 years old in climatezone 'j'

Total annual emission (removal) of CO2-C from Land
Converted to Flooded Land (Reservoirs ≤ 20 years old)hatonnes CO2-C ha-1 y-1

tonnes CO2-C yr-1
6 nres j

Table 7.13

FCO2tot    Atotal , j ,i • EFCO2 age20, jj 1 i 1

AtotalEF

FCO2tot

WLFlooded
Total
1

Sub-totals of emissions for each land pre-conversion land-use category will have to be calculated for conversion categories.

2

For conversion categories, insert initial land use here. If data by initial land use are not available, use only "non-LU" in this column.

2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

A2.23

Volume 4: Agriculture, Forestry and Other Land Use

SectorCategory
Category code
Sheet
Equation

Agriculture, Forestry and Other Land Use
Non CO2 emissions for Land Converted to Flooded Land
3B4bii1 of 3
Non CO2 emissions/removals from Land Converted to Flooded Land
Equation 2.2
Equation 7.15A

Land-use category1
Subcategories
for reportingyear
Initial land use2

Land use during
reporting year

Annual surface reservoir CH4 emissions (forReservoirs >20 years old

Annual downstream reservoir CH4
emissions (for Reservoirs >20 years old

Annual total reservoir CH4 emissions (forReservoirs >20 years old(Flooded Land remaining Flooded Land)kg CH4 yr-1

kg CH4 yr-1

kg CH4 yr-1

Equation 7.15B

Equation 7.15C

FCH4tot  FCH4 res  FCH4 downstreame

FCH4res

FCH4downstream

FCH4tot

WLFlooded
Total
1
2

Sub-totals of emissions for each land pre-conversion land-use category will have to be calculated for conversion categories.
For conversion categories, insert initial land use here. If data by initial land use are not available, use only "non-LU" in this column.

A2.24

2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

Annex 2: Worksheets

SectorCategory
Category code
Sheet
Equation

Agriculture, Forestry and Other Land Use
Non CO2 emissions for Flooded Land remaining Flooded Land
3B4bii2 of 3
Non CO2 emissions/removals from Land Converted to Flooded Land
Equation 7.15B
Equation 2.2

Land-use category1

Initialland use2

Land useduringreportingyear

Subcategories
for reportingyear

Total Area of Flooded Landremaining Flooded Land
(Reservoir > 20 yrs old “i”)
located in a climate zone “j”

Emission factor for CH4
emitted from Flooded Landfor reservoir > 20 yrs locatedin a climate zone “j”

Emission factor adjustment
for trophic state (αi) inreservoir i within a given
climate zone.

Annual surface reservoir CH4 emissions (forReservoirs >20 years old(Flooded Land remaining Flooded Land)ha

kg CH4 ha-1 yr-1

Dimension-less

kg CH4 yr-1

Table 7.15

1.0 for Tier1

FCH 4 res =  αi (EFCH 4 age20, j • Atot j,i )EF

αi

FCH4res

6 nres jAtotj 1 i 1

WLFlooded
Total
1 Sub-totals of emissions for each land pre-conversion land-use category will have to be calculated for conversion categories.
2 For conversion categories, insert initial land use here. If data by initial land use are not available, use only "non-LU" in this column.

2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

A2.25

Volume 4: Agriculture, Forestry and Other Land Use

SectorCategory
Category code
Sheet
Equation

Agriculture, Forestry and Other Land Use
Non CO2 emissions for Flooded Land remaining Flooded Land
3B4bii3 of 3
Non CO2 emissions/removals from Land Converted to Flooded Land
Equation 7.15C
Equation 2.2

Land-use category1
Subcategories
for reportingyear
Initialland use2

Total Area of Flooded
Land remaining Flooded
Land (Reservoir > 20 yrs
old “i”) located in a
climate zone “j”

Emission factor for CH4
emitted from Flooded
Land for reservoir > 20
yrs located in a climatezone “j”

Emission factor
adjustment for trophic
state (αi) in reservoir i
within a given climate
zone.

ha

kg CH4 ha-1 yr-1

Dimension-less

Annual downstream reservoir CH4 emissions (for Reservoirs >20
years old
(Flooded Land remaining Flooded Land)kg CH4 yr-1
6 nres j

Land useduringreporting
year
Atot

Table 7.15

1.0 for Tier1

FCH 4 downstream =  αi (EFCH 4 age20, j • Atot j,i )• Rd, iEF

αi

FCH4downstreamj 1 i 1

WLFlooded
Total
1
2

Sub-totals of emissions for each land pre-conversion land-use category will have to be calculated for conversion categories.
For conversion categories, insert initial land use here. If data by initial land use are not available, use only "non-LU" in this column.

A2.26

2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

Annex 2: Worksheets

CHAPTER 7

WETLANDSFLOODED LAND REMAINI NG FLOODED LAND
INDICATIVE ESTIMATES OF THE ANTHROPOGENI C COMPONENT OF TOTAL EMISSIONS

SectorCategory
Category code
Sheet
Equation

Land-use category

Initialland use

Land useduringreportingyear

Agriculture, Forestry and Other Land Use
Non CO2 emissions for Flooded Land Remaining Flooded Land
3B4aii 1
1 of 2
Non CO2 emissions/removals from Flooded Land remaining Flooded Land
Equation 2.2
Equation 7.16
Areas of reservoir
water surface for
Emissionreservoir > 20
factor for
Emissionyears old 'i'
CH4 emitted
factorannuallocated in climate
fromadjustment for
downstreamzone 'j' , but
FloodedIndicative estimates of the anthropogenic component of total CH4 emissions
trophic state
reservoir CH4
excluding areas
Land for(for Reservoirs >20 years old(αi) inemissions (forthat werereservoir >(Flooded Land Remaining Flooded Land)
reservoir i
Reservoirs >20
unmanaged
20 yrswithin a given
years old
Subcategories
waterbodies (lakes located in a
climate zone.
for reporting
and rivers) andclimate zone
year
unmanaged“j”
wetlands
kg CH4 ha-1
Dimensionha
kg CH4 yr-1
kg CH4 yr-1
yr-1
less
6 nres j

AAnthrop
WLFlooded

Table 7.9

1.0 for Tier1

Eq. 10CEF

αi

FCH4downstream

FCH 4anthrop     i EFCH 4age20, j • Aanthrop , j ,i  FCH 4downstreamj 1 i 1

FCH4res

WLFlooded
Total2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

A2.27

Volume 4: Agriculture, Forestry and Other Land Use

SectorCategory
Category code
Sheet
Equation

Agriculture, Forestry and Other Land Use
Non CO2 emissions for Flooded Land Remaining Flooded Land
3B4aii2 of 2
Non CO2 emissions/removals from Flooded Land Remaining Flooded Land
Equation 2.2
Equation 7.10C

Land-use category1
Subcategories
for reportingyear
Initialland use2

Total Area of Flooded
Land remaining Flooded
Land (Reservoir > 20 yrs
old “i”) located in a
climate zone “j”

Emission factor for CH4
emitted from Flooded
Land for reservoir > 20
yrs located in a climatezone “j”

Emission factor
adjustment for trophic
state (αi) in reservoir i
within a given climate
zone.

ha

kg CH4 ha-1 yr-1

Dimension-less

kg CH4 yr-1

Table 7.9

1.0 for Tier1

FCH 4 downstream =  αi (EFCH4 age>20, j • Atot j,i )• Rd, iEF

αi

FCH4downstream

Annual downstream reservoir CH4 emissions (forReservoirs >20 years old(Flooded Land remaining Flooded Land)

6 nres j

Land useduringreporting
year
Atot

j 1 i 1

WLFlooded
Total
1
2

Sub-totals of emissions for each land pre-conversion land-use category will have to be calculated for conversion categories.
For conversion categories, insert initial land use here. If data by initial land use are not available, use only "non-LU" in this column.

A2.28

2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

Annex 2: Worksheets

CHAPTER 7

WETLANDSLAND CONVERTED TO FLOODED LAND

INDICATIVE ESTIMATES OF THE ANTHROPOGENI C COMPONENT OF TOTAL EMISSIONS
SectorCategory
Category code
Sheet
Equation

Agriculture, Forestry and Other Land Use
CO2 emissions from Land converted to Flooded Land
3B4bii1 of 1Land-use category1
Subcategories
for reportingyear
Initial land
use2

CO2-C emissions/removals for Land converted to Flooded Land
Equation 7.17

Equation 2.2
Areas of reservoir water surface forreservoir > 20 years old 'i' located inclimate zone 'j' but excluding areasthat were unmanaged waterbodies(lakes and rivers) and unmanaged
wetlands

Emission factor for CO2-C for
reservoir ≤ 20 years old in climatezone 'j'

Indicative estimates of the anthropogenic component of total
emissions of CO2-C from Land Converted to Flooded Land
(Reservoirs ≤ 20 years old)hatonnes CO2-C ha-1 y-1

tonnes CO2-C yr-1

Land useduringreportingyear

6 nres j

Table 7.13

j 1 i 1

AanthropEF

FCO2anthrop    EFCO2age20, j • Aanthrop , j ,i

FCO2tot

WLFlooded
Total
1

Sub-totals of emissions for each land pre-conversion land-use category will have to be calculated for conversion categories.

2

For conversion categories, insert initial land use here. If data by initial land use are not available, use only "non-LU" in this column.

2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

A2.29

Volume 4: Agriculture, Forestry and Other Land Use

SectorCategory
Category code
Sheet
Equation

Agriculture, Forestry and Other Land Use
Non CO2 emissions for Land converted Flooded Land
3B4bii 1
1 of 2
Non CO2 emissions/removals from Land Converted to Flooded Land
Equation 7.18

Equation 2.2

Land-use category1

Subcategories
for reportingyear

Areas of reservoir
water surface forreservoir > 20 years old'i' located in climatezone 'j' , but excluding
areas that were
unmanaged
waterbodies (lakes andrivers) and unmanaged
wetlands

Emission factor forCH4 emitted from
Flooded Land forreservoir > 20 yrs
located in a climatezone “j”

Emission factor
adjustment for
trophic state (αi) inreservoir i within agiven climate zone.

annualdownstream
reservoir CH4
emissions (forReservoirs >2
0 years oldha

kg CH4 ha-1 yr-1

Dimension-less

kg CH4 yr-1

Indicative estimates of the anthropogenic
component of total CH4 emissions (for Reservoirs ≤20
years old
(Land converted to Flooded Land)kg CH4 yr-1

FCH 4anthrop
Initialland use2

6 nres j

Land useduringreportingyear

Table 7.15

1.0 for Tier1

Eq. 10C    i EFCH 4age20, j • Aanthrop , j ,ij 1 i 1 FCH 4downstream
AAnthropEF

αi

FCH4downstream

FCH4res

WLFlooded
Total
1
2

Sub-totals of emissions for each land pre-conversion land-use category will have to be calculated for conversion categories.
For conversion categories, insert initial land use here. If data by initial land use are not available, use only "non-LU" in this column.

A2.30

2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

Annex 2: Worksheets

SectorCategory
Category code
Sheet
Equation

Agriculture, Forestry and Other Land Use
Non CO2 emissions for Flooded Land remaining Flooded Land
3B4bii2 of 2
Non CO2 emissions/removals from Land Converted to Flooded Land
Equation 7.15C
Equation 2.2

Land-use category1
Subcategories
for reportingyear
Initialland use2

Total Area of Flooded
Land remaining Flooded
Land (Reservoir > 20 yrs
old “i”) located in a
climate zone “j”

Emission factor for CH4
emitted from Flooded
Land for reservoir > 20
yrs located in a climatezone “j”

Emission factor
adjustment for trophic
state (αi) in reservoir i
within a given climate
zone.

ha

kg CH4 ha-1 yr-1

Dimension-less

Annual downstream reservoir CH4 emissions (for Reservoirs ≤20
years old
(Land Converted to Flooded Land)kg CH4 yr-1
6 nres j

Land useduringreporting
year
Atot

Table 7.15

1.0 for Tier1

FCH 4 downstream =  αi (EFCH 4 age20, j • Atot j,i )• Rd, iEF

αi

FCH4downstreamj 1 i 1

WLFlooded
Total
1
2

Sub-totals of emissions for each land pre-conversion land-use category will have to be calculated for conversion categories.
For conversion categories, insert initial land use here. If data by initial land use are not available, use only "non-LU" in this column.

2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories

A2.31