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Author |
Kowalczyk, A.; Twardy, S. |
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Title |
Comparison of the water erosion magnitude estimated by the modified USLE methods |
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Report |
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Year |
2012 |
Publication |
Woda Srodowisko Obszary Wiejskie |
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121 |
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83-92 |
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CropM |
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ITP Falenty |
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MA @ admin @ |
Serial |
2068 |
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Author |
Kopacz, M.; Twardy, S. |
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Title |
Water and sewage management in the upper Dunajec river basin compared to the socio-structural transformations and surface water quality |
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Report |
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Year |
2012 |
Publication |
Woda Srodowisko Obszary Wiejskie |
Abbreviated Journal |
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Volume |
123 |
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Pages |
103-122 |
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Keywords |
CropM; LiveM |
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ITP Falenty |
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MA @ admin @ |
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2067 |
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Author |
Popp, A.; Rose, S.K.; Calvin, K.; Van Vuuren, D.P.; Dietrich, J.P.; Wise, M.; Stehfest, E.; Humpenöder, F.; Kyle, P.; Van Vliet, J.; Bauer, N.; Lotze-Campen, H.; Klein, D.; Kriegler, E. |
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Title |
Land-use transition for bioenergy and climate stabilization: model comparison of drivers, impacts and interactions with other land use based mitigation options |
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Journal Article |
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Year |
2014 |
Publication |
Climatic Change |
Abbreviated Journal |
Clim. Change |
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Volume |
123 |
Issue |
3-4 |
Pages |
495-509 |
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Keywords |
bio-energy; miscanthus; emissions; crop |
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Abstract |
In this article, we evaluate and compare results from three integrated assessment models (GCAM, IMAGE, and ReMIND/MAgPIE) regarding the drivers and impacts of bioenergy production on the global land system. The considered model frameworks employ linked energy, economy, climate and land use modules. By the help of these linkages the direct competition of bioenergy with other energy technology options for greenhouse gas (GHG) mitigation, based on economic costs and GHG emissions from bioenergy production, has been taken into account. Our results indicate that dedicated bioenergy crops and biomass residues form a potentially important and cost-effective input into the energy system. At the same time, however, the results differ strongly in terms of deployment rates, feedstock composition and land-use and greenhouse gas implications. The current paper adds to earlier work by specific looking into model differences with respect to the land-use component that could contribute to the noted differences in results, including land cover allocation, land use constraints, energy crop yields, and non-bioenergy land mitigation options modeled. In scenarios without climate change mitigation, bioenergy cropland represents 10-18 % of total cropland by 2100 across the different models, and boosts cropland expansion at the expense of carbon richer ecosystems. Therefore, associated emissions from land-use change and agricultural intensification as a result of bio-energy use range from 14 and 113 Gt CO2-eq cumulatively through 2100. Under climate policy, bioenergy cropland increases to 24-36 % of total cropland by 2100. |
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0165-0009 |
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CropM |
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no |
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MA @ admin @ |
Serial |
4499 |
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Author |
García-López, J.; Lorite, I.J.; García-Ruiz, R.; Domínguez, J. |
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Title |
Evaluation of three simulation approaches for assessing yield of rainfed sunflower in a Mediterranean environment for climate change impact modelling |
Type |
Journal Article |
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Year |
2014 |
Publication |
Climatic Change |
Abbreviated Journal |
Clim. Change |
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Volume |
124 |
Issue |
1-2 |
Pages |
147-162 |
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Keywords |
winter-wheat; water-stress; irrigation management; high-temperature; oil quality; oilcrop-sun; crop model; responses; variability; growth |
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Abstract |
The determination of the impact of climate change on crop yield at a regional scale requires the development of new modelling methodologies able to generate accurate yield estimates with reduced available data. In this study, different simulation approaches for assessing yield have been evaluated. In addition to two well-known models (AquaCrop and Stewart function), a methodological proposal considering a simplified approach using an empirical model (SOM) has been included in the analysis. This empirical model was calibrated using rainfed sunflower experimental field data from three sites located in Andalusia, southern Spain, and validated using two additional locations, providing very satisfactory results compared with the other models with higher data requirements. Thus, only requiring weather data (accumulated rainfall from the beginning of the season fixed on September 1st, and maximum temperature during flowering) the approach accurately described the temporal and spatial yield variability observed (RMSE = 391 kg ha(-1)). The satisfactory results for assessing yield of sunflower under semi-arid conditions obtained in this study demonstrate the utility of empirical approaches with few data requirements, providing an excellent decision tool for climate change impact analyses at a regional scale, where available data is very limited. |
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0165-0009 1573-1480 |
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CropM |
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MA @ admin @ |
Serial |
4622 |
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Author |
Smoron, S. |
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Title |
Dynamics of the mountain meadow yielding in period of 25 years after fertilization abandonment |
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Report |
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Year |
2013 |
Publication |
Water-Environment-Rural Areas |
Abbreviated Journal |
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Volume |
132 |
Issue |
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Pages |
111-120 |
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Keywords |
CropM |
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Series Editor |
ITP Falenty |
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MA @ admin @ |
Serial |
2073 |
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