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general:recalculations:start [2021/03/17 12:20] – boettcher | general:recalculations:start [2024/11/06 16:10] (current) – external edit 127.0.0.1 | ||
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Generally, improvement of the emission inventory is an ongoing task and triggers recalculations for all source categories and pollutants frequently. | Generally, improvement of the emission inventory is an ongoing task and triggers recalculations for all source categories and pollutants frequently. | ||
- | > Further information regarding recalculations (especially due to changes in methods or activity data) | + | <WRAP left round info 60%> |
- | > can be found in the corresponding chapter of the **National Inventory Report**. | + | Further information regarding recalculations (especially due to changes in methods or activity data) can be found in the corresponding chapter of the **National Inventory Report**. |
+ | </ | ||
- | === Possible reasons for Recalculations === | + | ===== Possible reasons for Recalculations |
Due to the ever ongoing efforts to improve the inventory, more or less broad recalculations become necessary with each new submission. | Due to the ever ongoing efforts to improve the inventory, more or less broad recalculations become necessary with each new submission. | ||
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**All these changes can effect //specific years// of the inventory as well the //entire time series//, leading to more or less significant changes within the emission trends.** | **All these changes can effect //specific years// of the inventory as well the //entire time series//, leading to more or less significant changes within the emission trends.** | ||
- | === Declaration of Recalculations === | + | ===== Declaration of Recalculations |
Under UN FCCC reporting, parties have to comment any recalculations in any year leading to differences between latest and current submission for a given year or the time period or series. Thereby, highest attention is given to recalculations within base year and the most current year of the latest submission: | Under UN FCCC reporting, parties have to comment any recalculations in any year leading to differences between latest and current submission for a given year or the time period or series. Thereby, highest attention is given to recalculations within base year and the most current year of the latest submission: | ||
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* impact on the amount of emission reduction reported in latest submission | * impact on the amount of emission reduction reported in latest submission | ||
- | **Under UN ECE, within the IIR**, Germany focusses on recalculations in values reported for **1990** for all main pollutants, **1995** for PM,,2.5,, and PM,,10,, and **2000** for black carbon | + | **Under UN ECE, within the IIR**, Germany focusses on recalculations in values reported for **1990** for all MAIN POLLUTANTS, HEAVY METALS and POPS, **1995** for PM<sub>2.5</ |
- | === Recalculations in current submission === | + | ===== Recalculations in current submission |
__Table 1: Overview of impact of recalculations on the level of National Totals__ | __Table 1: Overview of impact of recalculations on the level of National Totals__ | ||
(For more detailed information please mouseclick the pollutant.) | (For more detailed information please mouseclick the pollutant.) | ||
- | ^ for reporting year: ^ ^ Base Year< | + | ^ for reporting year: ^ ^ Base Year< |
- | | in NFR submission: | + | | in NFR submission: |
- | ^ Main pollutants | + | ^ Main pollutants |
- | ^ // | + | ^ // |
- | | [[General: | + | | [[General: |
- | | [[General: | + | | [[General: |
- | | [[General: | + | | [[General: |
- | | [[General: | + | | [[General: |
- | ^ Particulate Matter | + | ^ Particulate Matter |
- | | [[General: | + | | [[General: |
- | | [[General: | + | | [[General: |
- | | [[General: | + | | [[General: |
- | | [[General: | + | | [[General: |
- | ^ // | + | ^ // |
- | | [[General: | + | | [[General: |
- | ^ Heavy Metals | + | ^ Heavy Metals |
- | ^ //Priority HM// | + | ^ //Priority HM// ||||||||||| |
- | | [[General: | + | | [[General: |
- | | [[General: | + | | [[General: |
- | | [[General: | + | | [[General: |
- | ^ //Other HM// ||||||||||| | + | ^ //Other HM// |
- | | [[General: | + | | [[General: |
- | | [[General: | + | | [[General: |
- | | [[General: | + | | [[General: |
- | | [[General: | + | | [[General: |
- | | [[General: | + | | [[General: |
- | | [[General: | + | | [[General: |
- | ^ Persistent Organic Pollutants - POPs ||||||||||| | + | ^ Persistent Organic Pollutants - POPs |
- | | [[General: | + | | [[General: |
- | ^ // | + | ^ // |
- | | [[General: | + | | [[General: |
- | | [[General: | + | | [[General: |
- | | [[General: | + | | [[General: |
- | | [[General: | + | | [[General: |
- | | [[General: | + | | [[General: |
- | ^ //Other POPs// | + | ^ //Other POPs// |
- | | [[General: | + | | [[General: |
- | | [[General: | + | | [[General: |
< | < | ||
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**1. revision of activity data** | **1. revision of activity data** | ||
- | * entire NFR 1.A: __finalisation of National Energy Balance__ 2018 | + | * entire NFR 1.A + 2.C.1: __finalisation of National Energy Balance__ 2018 |
+ | * NFRs 1.A.3.a i and 1.A.3.a ii: revision of percental shares of both jet kerosene and avition gasoline allocated to international and domestic flights | ||
+ | * NFRs 1.A.3.b vi & vii: revision of annual mileage data for different road vehicles | ||
* several NFR categories: revision of __population data__: The population in Germany has been subject to several evaluations in recent years. | * several NFR categories: revision of __population data__: The population in Germany has been subject to several evaluations in recent years. | ||
* NFR 3.B, 3.D & 3.I: updated information and statistical data (e.g. animal numbers, weight data, milk yield: see main agricultural page under „Recalculations and reasons“, [[sector: | * NFR 3.B, 3.D & 3.I: updated information and statistical data (e.g. animal numbers, weight data, milk yield: see main agricultural page under „Recalculations and reasons“, [[sector: | ||
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* NFR 1.A.3.b: revision of TREMOD | * NFR 1.A.3.b: revision of TREMOD | ||
* NFR 3 in general, the model GAS-EM was updated (e.g. correction of the calculation of the TAN excretion of dairy cows and the TAN flow into manure storage of male beef cattle, heifers: subdivision into dairy and slaughter heifers with different final weights; adaptation of energy requirements and feeding according to German expert recommendations, | * NFR 3 in general, the model GAS-EM was updated (e.g. correction of the calculation of the TAN excretion of dairy cows and the TAN flow into manure storage of male beef cattle, heifers: subdivision into dairy and slaughter heifers with different final weights; adaptation of energy requirements and feeding according to German expert recommendations, | ||
- | |||
- | |||
**3. newly implemented emission factors** | **3. newly implemented emission factors** | ||
- | * Unordered List Item | + | * |
**4. revision of emission factors** | **4. revision of emission factors** | ||
+ | * NFR 1.A.3.b vi & vii: revised tier1 emission factors for abrasive heavy metals and POPs emissions from research study | ||
+ | * NFR 2.C.7.a: use of new plant specific data for emission factors of TSP, SO2, As, Cu and Pb in Primary copper production recalculations have been carried out for the entire time series. | ||
* NFR 3: Cattle grazing: The NH< | * NFR 3: Cattle grazing: The NH< | ||
- | * | + | |
**5. re-allocation of activity data and emissions** | **5. re-allocation of activity data and emissions** | ||
- | * Unordered List Item | + | * NFR 1.A.3.a: distribution of avgas inland deliveries onto all four sub-categories (until submission 2020: 100% of avgas allocated to NFR 1.A.3.a ii (i)) |
**6. as an outcome of the ongoing review activities under both UNFCCC and UNECE** | **6. as an outcome of the ongoing review activities under both UNFCCC and UNECE** | ||
- | * Unordered List Item | + | * NFR 2.C.1: reporting of HCB emissions using standard emission factor for the entire time period |
- | (see recalculations listed above: revisions marked with ^^*^^ occured due to review findings) |