Contents

8 Settlements

8.1 Introduction 8.5

8.2 Settlements Remaining Settlements 8.6

8.2.1 Biomass 8.6

8.2.1.1 Choice of method 8.6

8.2.1.2 Choice of emission/removal factors 8.8

8.2.1.3 Choice of activity data 8.10

8.2.1.4 Uncertainty assessment 8.12

8.2.2 Dead organic matter 8.12

8.2.2.1 Choice of method 8.12

8.2.2.2 Choice of emission/removal factors 8.13

8.2.2.3 Choice of activity data 8.13

8.2.2.4 Uncertainty assessment 8.14

8.2.3 Soil carbon 8.14

8.2.3.1 Choice of method 8.15

8.2.3.2 Choice of stock change and emission factors 8.15

8.2.3.3 Choice of activity data 8.16

8.2.3.4 Uncertainty assessment 8.17

8.3 Land Converted to Settlements 8.17

8.3.1 Biomass 8.18

8.3.1.1 Choice of method 8.18

8.3.1.2 Choice of emission/removal factors 8.18

8.3.1.3 Choice of activity data 8.19

8.3.1.4 Uncertainty assessment 8.20

8.3.2 Dead organic matter 8.20

8.3.2.1 Choice of method 8.20

8.3.2.2 Choice of emission/removal factors 8.21

8.3.2.3 Choice of activity data 8.21

8.3.2.4 Uncertainty assessment 8.23

8.3.3 Soil carbon 8.23

8.3.3.1 Choice of method 8.23

8.3.3.2 Choice of stock change and emission factor 8.24

8.3.3.3 Choice of activity data 8.25

8.3.3.4 Uncertainty assessment 8.25

8.4 Completeness, Time series, QA/QC, and Reporting 8.25

8.4.1 Completeness 8.25

8.4.2 Developing a consistent time series 8.26

8.4.3 Inventory Quality Assurance/Quality Control 8.26

8.4.4 Reporting and Documentation 8.26

8.5 Basis for future methodological development 8.27

References 8.28

Equations

Equation 8.1 Annual carbon change in live biomass pools in Settlements Remaining Settlements 8.6

Equation 8.2 Annual biomass increment based on total crown cover area 8.7

Equation 8.3 Annual biomass growth based on number of individual woody plants in broad classes 8.7

Tables

Table 8.1 Tier 2a default crown cover area-based growth rates (CRW) for urban tree crown cover by region 8.9

Table 8.2 Tier 2b default average annual carbon accumulation per tree in urban trees by species classes 8.10

Table 8.3 Default activity data by potential natural vegetation (PNV) type for percent tree cover 8.11

Table 8.4 Default biomass carbon stocks removed due to land conversion to settlements 8.19

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