Organisation Of Volume 4 In 2006 Ipcc Guidelines

The material in Volume 4 should be used as follows:

• Chapter 2 describes generic methods for carbon pools and biomass burning that can be applied within each of the six land-use categories, i.e., the methods are not specific to a particular land use. These consist of estimating ecosystem C stock changes and CO2 and non-CO2 emissions from fires and biomass burning. To avoid redundancy in the subsequent land-use specific chapters, Chapter 2 provides guidance on choice of method and decision trees for tier selection. Tier 1 equations are provided along with tables of generic emission factors and other parameters.

• Chapter 3 deals with the consistent representation of land. In particular, the multiple approaches for classification of land-use categories are presented in this chapter, along with the level of disaggregation. Users will find this material helpful for understanding the general issues surrounding representation of systems, which will be needed later in order to use the estimation methods that are specific to a particular land-use and/or source category. After consulting Chapter 2 and Chapter 3, users should proceed to the appropriate chapter addressing the issues specific to a particular land-use or source category.

• Chapters 4 to 9 provide information for specific land-use categories. These chapters contain information on the application of the generic methods described in Chapter 2 and they also contain full method descriptions and application for any land-use specific methods.

o Chapter 4 deals with estimation of emissions and removals from forest lands. Separate sections cover Forest Land Remaining Forest Land and Land Converted to Forest Land. Harvested wood products are addressed separately in Chapter 12.

o Chapter 5 deals with estimation of emissions and removals from cropland. Separate sections cover Cropland Remaining Cropland and Land Converted to Cropland. Methane production from rice cultivation, which is specific to cropland, is also addressed in this chapter.

o Chapter 6 deals with estimation of emissions and removals from the Grassland. Separate sections cover Grassland Remaining Grassland and Land Converted to Grassland.

o Chapter 7 deals with estimation of emissions and removals from Wetlands, including peat extraction in natural peatlands and flooded lands. Methods specific to wetlands, for estimation of CO2 and CH4 emissions, are provided in Appendices with a basis for future methodological development.

o Chapter 8 deals with estimation of emissions and removals from Settlements. Separate sections cover Settlements Remaining Settlements and Land Converted to Settlements.

o Chapter 9 deals with 'Other Land', which includes areas with bare soil, rock, and ice, in addition to all land areas that do not fall into the other five land-use categories treated in Chapters 4 to 8. Since greenhouse gas emissions and removals are not reported for unmanaged lands, methods and guidance in this chapter apply only to 'Land Converted to Other Land', for example, from extreme degradation of forest, cropland or grassland to barren land that is no longer managed for useful purposes.

• Chapter 10 provides guidance on livestock related emissions, including methane emissions from enteric fermentation and CH4 and N2O (direct and indirect) emissions from manure management.

• Chapter 11 provides guidance for emissions sources from managed soils, associated primarily with application of fertilizer, crop residues, manure, lime, and urea to soils. Specifically, methods and guidance are provided for estimating N2O emissions from managed soils and CO2 emissions from liming and urea applications. Activity data for these sources are typically not broken out by individual land use, hence Tier 1 methods are based on (national) aggregate data.

• Chapter 12 provides methodological guidance for estimation of C stock changes and emissions from harvested wood products, and is neutral with regards to the multiple alternative approaches to inventory estimation that are given.

Figure 1.4 presents the structure of AFOLU reporting with categories (including category codes) that are listed in Table 8.2 of Volume 1.

Annex 1 provides worksheets for each sub-category that can be used to estimate emissions based on Tier 1 methods and appropriate emission/stock change factors and activity data. The Reporting Tables for the greenhouse gas emissions/removals at sectoral and national levels are provided in Volume 1 Chapter 8 of the Guidelines.

Annex 2 is the summary of all equations in AFOLU that serves as quick reference for inventory compilers.

Table 1.2 provides the summary information as to what carbon pools and activities emitting non-CO2 gases in each land-use category are treated under Tier 1 methods; in what section in AFOLU Volume the guidance are discussed, and their reference to the 1996IPCC Guidelines.

Figure 1.4

Structure of AFOLU Reporting

Figure 1.4

Structure of AFOLU Reporting

Table 1.2

Land-use categories, carbon pools and non-CO2 gases to be estimated under Tier 1, their relevance to AFOLU sections, and the reference to 1996IPCC Guidelines

Land-use category/ Chapter

Subcategory

C pool & non-CO2 gases

Methods Section

Chapter 2 Method

Linkage to 1996 IPCC Guidelines

Tier 1 Method

Above-ground biomass

4.2.1

2.3.1.1

5A

e

Forest Land

Below-ground biomass

4.2.1

2.3.1.1

NE

e

Remaining Forest Land (FF)

Dead organic matter

4.2.2

2.3.2.1

NE

0

Soil carbon

4.2.3

2.3.3.1

5D

e 1

Forest Land

Non-CO2 from biomass burning

4.2.4

2.4.1

NE

e

(Chapter 4)

Above-ground biomass

4.3.1

2.3.1.2

5A, 5C

e

Land Converted

Below-ground biomass

4.3.1

2.3.1.2

NE

e

to Forest Land (LF)

Dead organic matter

4.3.2

2.3.2.2

NE

e

Soil carbon

4.3.3

2.3.3.1

5D

e

Non-CO2 from biomass burning

4.3.4

2.4.1

4E, 4F

e

Above-ground biomass

5.2.1

2.3.1.1

5A

e

Dead organic matter

5.2.2

2.3.2.1

NE

0

Cropland Remaining

Soil carbon

5.2.3

2.3.3.1

5D

e

Cropland (CC)

Non-CO2 from crop residue burning

5.2.4

2.4.1

4F

e

Cropland (Chapter 5)

Methane emissions from rice

5.5

-

4C

e

Above-ground biomass

5.3.1

2.3.1.2

5B

e

Land Converted to Cropland (LC)

Dead organic matter

5.3.2

2.3.2.2

NE

e

Soil carbon

5.3.3

2.3.3.1

5D

e

Non-CO2 from biomass (crop residue) burning

5.3.4

2.4

4E, 5B

e

Table 1.2 (continued)

Land-use categories, carbon pools and non-C02 gases to be estimated under Tier 1, their relevance to AFOLU sections, and the reference to 1996IPCC Guidelines

Land-use category/ Chapter

gases

Methods Section

Chapter 2 Method

Linkage to 1996 IPCC Guidelines

Tier 1 Method

Grassland (Chapter 6)

Grassland Remaining Grassland (GG)

Above-ground biomass

6.2.1

2.3.1.1

5A

0

Dead organic matter

6.2.2

2.3.2.1

NE

0

Soil carbon

6.2.3

2.3.3.1

5D

e

Non-CO2 from biomass burning

6.2.4

2.4

4E

e

Land Converted to Grassland (LG)

Above-ground biomass

6.3.1

2.3.1.2

5B

e

Dead organic matter

6.3.2

2.3.2.2

NE

e

Soil carbon

6.3.3

2.3.3.1

5D

e

Non-CO2 from biomass burning

6.3.4

2.4

4F, 5B

e

Wetlands (Chapter 7)

Peatlands

Remaining

Peatlands

CO2 emissions

7.2.1.1

-

NE

e

Non-CO2 emissions

7.2.1.2

-

NE

e

Land Being Converted for Peat Extraction

CO2 emissions

7.2.2.1

-

NE

NA

Non-CO2 emissions

7.2.2.2

-

NE

e

Flooded Land Remaining Flooded Land

CO2 emissions

NG

-

NE

e

Non-CO2 emissions

Appendix 3

-

e

Land Converted to Flooded Land

Appendix 2

-

NE

e

Non-CO2 emissions

Appendix 3

-

e

Settlements (Chapter 8)

Settlements Remaining Settlements (SS)

Above-ground biomass

8.2.1

2.3.1.1

5A

0

Dead organic matter

8.2.2

2.3.2.1

NE

0

Soil carbon

8.2.3

2.3.3.1

NE

e 1

Land Converted to Settlements (LS)

Above-ground biomass

8.3.1

2.3.1.2

5B

e

Dead Organic Matter

8.3.2

2.3.2.2

NE

e

Soil carbon

8.3.3

2.3.3.1

NE

e

Other Land (Chapter 9)

Land Converted to Other Land (LO)

Above-ground biomass

9.3.1

2.3.1.2

5B

e

Dead Organic Matter

9.3.2

2.3.2.2

NE

NA

Soil carbon

9.3.3

2.3.3.1

NE

e

Table 1.2 (continued)

Land-use categories, carbon pools and non-C02 gases to be estimated under Tier 1, their relevance to AFOLU sections, and the reference to 1996IPCC Guidelines

Land-use category/ Chapter

gases

Methods Section

Chapter 2 Method

Linkage to 1996 IPCC Guidelines

Tier 1 Method

Livestock (Chapter 10)

Enteric Fermentation

CH4 emissions

10.S

-

4A

e

Manure Management

CH4 emissions

10.4

-

4B

e

N2O emissions

10.5

-

4B

e

Managed soils (Chapter 11)

Soil Management

N2O emissions

11.2

-

4D

e

Liming

CO2 emissions

11.S

-

e

Urea Fertilization

CO2 emissions

11.4

-

NE

e

Harvested wood products

(Chapter 12)

Wood Products

C stock changes

Chapter 12

-

NE

e 2

The 1996IPCC Guidelines cover the following categories: 5A Changes in Forest and Other Woody Biomass Stocks; 5B Forest and Grassland Conversion; 5C Abandonment of Managed Lands; 5D Emissions and Removals from Soils, and 5E Other (Reporting Instructions p. 1.14 - 1.16)

NE: not estimated under default method in the 1996 IPCC Guidelines NG - no guidance provided in the Guidelines

Notes for column "Tier 1 Method":

© - Tier 1 methods and default parameters are available in the Guidelines.

0 = Tier 1 (default) assumption is that emissions are zero or in equilibrium; no methods and parameters are provided in the Guidelines.

1 = Tier 1 and default parameters available only for organic soils.

2 = Tier 1 method available to estimate HWP variables which may be used to compute HWP Contribution to AFOLU. NA - not applicable

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