Gap register
Flows that belong in the inventory but lack an open quantity or emission factor. They are excluded from totals. Fill them with plant data or a licensed database and upload a new data package.
- Open gaps
- 93
- Missing quantity
- 74
- Missing emission factor
- 53
| Material | Module | Step | Flow | Missing | Known amount | Note |
|---|---|---|---|---|---|---|
| Deciduous wood | A1 | Soil scarification / site preparation | Diesel, scarifier | quantity | – | Quantity not found in retrieved open sources. |
| Deciduous wood | A1 | Cleaning and pre-commercial thinning | Petrol, brushcutter/chainsaw | quantity and factor | – | Quantity and EF not in retrieved sources. |
| Deciduous wood | A1 | Chain and bar lubrication | Chain oil | emission factor | 0.035 L /m3rw | Amount sourced; GWP factor for lubricant not available in open sources. |
| Deciduous wood | A1 | Forest road maintenance | Road maintenance | quantity and factor | – | Not quantified. |
| Deciduous wood | A3 | Log yard handling | Diesel, wheel loader | quantity | – | Plant-specific. |
| Deciduous wood | A3 | Debarking and log sorting | Electricity | quantity | – | Plant-specific; not in retrieved open sources. |
| Deciduous wood | A3 | Sawing into lamellas | Electricity | quantity | – | Plant-specific. |
| Deciduous wood | A3 | Kiln drying to 12% MC | Heat, biomass boiler (biogenic) | quantity and factor | – | Biogenic CO2 not counted in GWP-fossil; heat quantity not sourced. |
| Deciduous wood | A3 | Kiln drying to 12% MC | Electricity, kiln fans | quantity | – | Plant-specific. |
| Deciduous wood | A3 | Planing, strength grading, defect cutting | Electricity | quantity | – | |
| Deciduous wood | A3 | Finger jointing | Electricity | quantity | – | |
| Deciduous wood | A3 | Adhesive application | Adhesive (PUR/MUF) | emission factor | 5.63 kg /DU | Amount proxy from CLT; adhesive GWP factor not available in open sources. |
| Deciduous wood | A3 | Pressing and curing | Electricity | quantity | – | |
| Deciduous wood | A3 | Final planing, cutting, CNC joinery | Electricity | quantity | – | |
| Deciduous wood | A3 | Packaging | PE film | emission factor | 0.207 kg /DU | Proxy from CLT EPD; EF not available. |
| Deciduous wood | A3 | Packaging | PP straps | emission factor | 0.19 kg /DU | Proxy from CLT EPD; EF not available. |
| Deciduous wood | A5 | Steel connectors and screws | Steel fasteners | quantity and factor | – | Project-specific. |
| Deciduous wood | A5 | Site offcuts and packaging waste | Installation losses | quantity and factor | – | Not quantified. |
| Evergreen wood | A1 | Soil scarification after clear-cut | Diesel, scarifier | quantity | – | Quantity not found in retrieved open sources. |
| Evergreen wood | A1 | Pre-commercial thinning / cleaning | Petrol, brushcutter | quantity and factor | – | |
| Evergreen wood | A1 | Chain lubrication | Chain oil | emission factor | 0.035 L /m3rw | EF not available. |
| Evergreen wood | A3 | Log yard handling | Diesel, wheel loader | quantity | – | Plant-specific. |
| Evergreen wood | A3 | Debarking and sorting | Electricity | quantity | – | |
| Evergreen wood | A3 | Sawing into boards | Electricity | quantity | – | |
| Evergreen wood | A3 | Kiln drying to 12% MC | Heat, biomass (biogenic) | quantity and factor | – | |
| Evergreen wood | A3 | Kiln drying to 12% MC | Electricity, fans | quantity | – | |
| Evergreen wood | A3 | Grading, finger jointing, planing | Electricity | quantity | – | |
| Evergreen wood | A3 | Adhesive application | PU adhesive | emission factor | 5.63 kg /DU | Amount from EPD; GWP factor not available in open sources. |
| Evergreen wood | A3 | Layup and pressing | Electricity | quantity | – | |
| Evergreen wood | A3 | CNC machining of openings | Electricity | quantity | – | |
| Evergreen wood | A3 | Packaging | PE film (70% recycled) | emission factor | 0.207 kg /DU | EF not available. |
| Evergreen wood | A3 | Packaging | PP bands | emission factor | 0.19 kg /DU | EF not available. |
| Evergreen wood | A5 | Screws, angle brackets, tapes | Fasteners and membranes | quantity and factor | – | Project-specific. |
| Short rotation coppice | A1 | Pre-planting herbicide burn-down | Herbicide active ingredient | quantity and factor | – | |
| Short rotation coppice | A1 | Cutting production in mother beds | Willow cuttings | emission factor | 15 000 cutting /ha | Amount sourced; nursery burden per cutting not available. |
| Short rotation coppice | A1 | Pre-emergence herbicide | Herbicide a.i. | quantity and factor | – | |
| Short rotation coppice | A1 | Fertilisation after harvests | Mineral N | quantity | – | Enter site-specific rate; field N2O is then added by step src-11. |
| Short rotation coppice | A1 | Field N2O from fertiliser N | N applied (for N2O) | quantity | – | Depends on src-10. |
| Short rotation coppice | A1 | In-field chip haulage to field edge | Diesel | quantity | – | |
| Short rotation coppice | A1 | Soil organic carbon change | SOC change | quantity and factor | – | Site-specific; report under GWP-luluc when quantified. |
| Short rotation coppice | A1 | Cutting transport to the field | Truck transport | quantity | – | Nursery location and cutting mass not sourced. |
| Short rotation coppice | A3 | Screening and flaking | Electricity | quantity | – | |
| Short rotation coppice | A3 | Particle drying | Heat, biomass (biogenic) | quantity and factor | – | |
| Short rotation coppice | A3 | Particle drying | Electricity | quantity | – | |
| Short rotation coppice | A3 | Resin blending | UF resin | emission factor | 63.64 kg /DU | EF not available in open sources. |
| Short rotation coppice | A3 | Resin blending | Urea | emission factor | 1.93 kg /DU | |
| Short rotation coppice | A3 | Resin blending | Catalyst | emission factor | 1.06 kg /DU | |
| Short rotation coppice | A3 | Resin blending | Formaldehyde scavenger | emission factor | 0.31 kg /DU | |
| Short rotation coppice | A3 | Resin blending | Slack wax | emission factor | 2.14 kg /DU | |
| Short rotation coppice | A3 | Resin blending | Ammonium sulphate | emission factor | 0.48 kg /DU | |
| Short rotation coppice | A3 | Mat forming and continuous hot pressing | Electricity + thermal oil | quantity | – | |
| Short rotation coppice | A3 | Cooling, sanding, sizing | Electricity | quantity | – | |
| Short rotation coppice | A3 | Packaging | Packaging | quantity and factor | – | |
| Short rotation coppice | A5 | Cutting and fixing boards | Fasteners + electricity | quantity and factor | – | |
| Forest residues | A1 | Nutrient compensation (wood-ash recycling) | Ash spreading | quantity and factor | – | |
| Forest residues | A1 | Soil carbon effect of residue removal | SOC change | quantity and factor | – | Report under GWP-luluc when quantified. |
| Forest residues | A3 | Chip screening and washing | Electricity | quantity | – | |
| Forest residues | A3 | Thermo-mechanical defibration (refiner) | Electricity | quantity | – | |
| Forest residues | A3 | Fibre drying (flash tube dryer) | Heat | quantity and factor | – | |
| Forest residues | A3 | Binder and additive dosing | PMDI + paraffin | emission factor | 6.12 kg /DU | = 4% of 153 kg; EF not available. |
| Forest residues | A3 | Mat forming, steam-air preheating and pressing | Electricity + steam | quantity | – | |
| Forest residues | A3 | Cutting, profiling, packaging | Electricity + packaging | quantity and factor | – | |
| Forest residues | A5 | Cutting and fixing between studs / on sheathing | Fasteners, offcuts | quantity and factor | – | |
| Crop residue | A1 | Field drying (turning if rained on) | Diesel, tedder | quantity | – | Conditional operation; 1.5-2.5 L/ha per pass when used. |
| Crop residue | A1 | Nutrient export compensation | P and K fertiliser | quantity and factor | – | |
| Crop residue | A1 | Soil organic carbon effect of straw removal | SOC change | quantity and factor | – | |
| Crop residue | A3 | Baling with small square baler | Baling twine (PP or sisal) | quantity and factor | – | |
| Crop residue | A3 | Bale collection and loading | Diesel | quantity | – | |
| Crop residue | A5 | Trimming, retying, compression and placement | Electricity, tools | quantity | – | |
| Crop residue | A5 | Offcut and loose straw handling | Installation losses | quantity and factor | – | |
| Perennial crops | A1 | Pre-planting herbicide | Herbicide a.i. | quantity and factor | – | |
| Perennial crops | A1 | Rhizome production and lifting | Rhizomes | emission factor | 15 000 rhizome /ha | Amount sourced; nursery burden not available. |
| Perennial crops | A1 | Rhizome transport to the field | Truck transport | quantity | – | Rhizome mass per ha and distance not sourced. |
| Perennial crops | A1 | Rolling after planting | Diesel | quantity | – | |
| Perennial crops | A1 | Weed control, years 1-2 | Herbicide a.i. | quantity and factor | – | |
| Perennial crops | A1 | Field-edge haulage and storage | Diesel | quantity | – | |
| Perennial crops | A1 | Soil organic carbon change | SOC change | quantity and factor | – | Report under GWP-luluc when quantified. |
| Perennial crops | A1 | Chopping, sieving and dedusting to shiv | Electricity | quantity | – | |
| Perennial crops | A3 | Mixing (pan mixer), water addition | Electricity | quantity | – | |
| Perennial crops | A3 | Mixing (pan mixer), water addition | Water | quantity and factor | – | |
| Perennial crops | A3 | Moulding and compaction | Electricity | quantity | – | |
| Perennial crops | A3 | Air curing 28-90 days, palletising | Pallets and film | quantity and factor | – | |
| Perennial crops | A5 | Laying blocks with lime mortar | Lime mortar | quantity | – | |
| Perennial crops | A5 | Laying blocks with lime mortar | Breakage and cuts | quantity and factor | – | |
| Dedicated crops | A1 | Seed supply | Hemp seed | emission factor | 37.5 kg /ha | 35-40 kg/ha; seed burden excluded in Pretot et al. and not available. |
| Dedicated crops | A1 | P and K supply | P2O5 and K2O | quantity and factor | – | |
| Dedicated crops | A1 | Baling (square bales) | Twine | quantity and factor | – | |
| Dedicated crops | A1 | Bale collection and storage | Diesel | quantity | – | |
| Dedicated crops | A1 | Shiv bagging | Bags / big bags | quantity and factor | – | |
| Dedicated crops | A1 | Formulated lime binder manufacture | Paper sacks | quantity and factor | – | |
| Dedicated crops | A5 | Mixing on site | Electricity or genset diesel | quantity | – | |
| Dedicated crops | A5 | Mixing on site | Mixing water | emission factor | 286 L /DU | = 1.3 x binder; EF negligible/not available. |
| Dedicated crops | A5 | Formwork and casting / spraying | Formwork and losses | quantity and factor | – |