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| general:recalculations:start [2025/04/02 15:36] – [Overview of reasons for recalculations against Submission 2024] niebuhr | general:recalculations:start [2025/04/04 14:03] (current) – [Possible reasons for Recalculations] zheng | ||
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| * **new** (sub-)**categories** to be included in the inventory or re-allocation of existing sub-categories within the inventory | * **new** (sub-)**categories** to be included in the inventory or re-allocation of existing sub-categories within the inventory | ||
| * **data** (activity data & emission factors) for certain (sub-)categories **available for the first time** | * **data** (activity data & emission factors) for certain (sub-)categories **available for the first time** | ||
| - | * **change of data sources** (for activity data) | + | * **change of data sources** (for activity data and emissions) |
| * use of **new emission factors** (due to: inquest, research projects, expert judgement etc.) | * use of **new emission factors** (due to: inquest, research projects, expert judgement etc.) | ||
| * **improvement of methods** used for calculating emissions | * **improvement of methods** used for calculating emissions | ||
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| ===== Overview of reasons for recalculations against Submission 2024 ===== | ===== Overview of reasons for recalculations against Submission 2024 ===== | ||
| + | (main changes only, without claim to completeness) | ||
| **1. revision of (primary) activity data** | **1. revision of (primary) activity data** | ||
| * 1.A together with 2.C.1: __finalisation of National Energy Balance__ 2022 [(AGEB2024)] | * 1.A together with 2.C.1: __finalisation of National Energy Balance__ 2022 [(AGEB2024)] | ||
| * 2.A.2 and 2.A.3: small updates of statistical data for most recent years | * 2.A.2 and 2.A.3: small updates of statistical data for most recent years | ||
| + | * 3.B.4.e: Horse numbers were corrected in all years and all districts by a factor of 2.75 to include horses which are kept outside of agricultural holdings and not counted by agricultural census | ||
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| **3. newly implemented acitivity and/or emission factors** | **3. newly implemented acitivity and/or emission factors** | ||
| - | * | + | * 3.D.a.1: NH3 emission factors for mineral fertilizers in EMEP (2023) were used for the first time in the present submission. |
| + | * 3.D.a.4: NH3 emissions from crop residues are calculated for the first time according to the tier 2 method from EMEP (2023). | ||
| + | | ||
| **4. revision of emission factors** | **4. revision of emission factors** | ||
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| * 3.B: improved emission factors for cattle and pig housing were introduced based on national research projects | * 3.B: improved emission factors for cattle and pig housing were introduced based on national research projects | ||
| * 3.B: N2O emission factors were adopted from the IPCC Refinement (2019). The N2O EF for solid manure storage doubles, which then also applies to the corresponding NOx and N2 EFs. | * 3.B: N2O emission factors were adopted from the IPCC Refinement (2019). The N2O EF for solid manure storage doubles, which then also applies to the corresponding NOx and N2 EFs. | ||
| - | * 3.D: NH3 emission factors for mineral fertilizers in EMEP (2023) were used for the first time in the present submission. | + | |
| **5. re-allocation of activity data and/or emissions** | **5. re-allocation of activity data and/or emissions** | ||