Essays about: "dynamic global vegetation model DGVM"

Showing result 6 - 9 of 9 essays containing the words dynamic global vegetation model DGVM.

  1. 6. Simulating current regional pattern and composition of Chilean native forests using a dynamic ecosystem model

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Cristián Andrés Escobar Avaria; [2013]
    Keywords : South-central Chile; LPJ-GUESS; temperate rain forests; magellanic rainforests; Physical Geography and Ecosystem analysis; plant functional types; Earth and Environmental Sciences;

    Abstract : Resumen Dentro de los recursos naturales más relevantes de Chile están los bosques nativos. A pesar de su amplia distribución en el país, su superficie ha sido drásticamente disminuida durante los dos últimos siglos, especialmente debido a los continuos cambios en el uso de la tierra asociados a la agricultura, a la tala selectiva, al monocultivo de especies exóticas y al desarrollo urbano. READ MORE

  3. 7. Refining fuel loads in LPJ-GUESS-SPITFIRE for wet-dry areas : with an emphasis on Kruger National Park in South Africa

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Ylva Persson; [2013]
    Keywords : Kruger National Park; turnover time; fuel; Fire; wet-dry areas; LPJ-GUESS-SPITFIRE; geography; physical geography; Earth and Environmental Sciences;

    Abstract : Eld är en av de viktigaste störningsprocesserna som påverkar den terrestra biosfären genom att forma vegetationens spridning, komposition, struktur, växtdiversitet och biokemiska cykler. Några av de mest påverkade ekosystemen är våt-torra områden, här klassificerade som savann eller Medelhavsområden. READ MORE

  4. 8. Effects of human land-use on the global carbon cycle during the last 6000 years

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Jörgen Olofsson; [2006]
    Keywords : dynamic global vegetation model DGVM ; human land-use; holocen; kolcykeln; jordbruk; avskogning; markanvändning; dynamisk global vegetationsmodell DGVM ; deforestation; agriculture; carbon cycle; holocene; Earth and Environmental Sciences;

    Abstract : Humanity has become a major actor within the Earth system, particularly through transforming large parts of the land surface and by altering the gaseous composition of the atmosphere. Deforestation for agricultural purposes started thousands of years ago, which might have resulted in a detectable human influence on climate much earlier than the industrial revolution. READ MORE

  5. 9. How does elevated atmospheric CO2 concentration affect vegetation productivity? : a study based on Free Air CO2 Enrichment (FACE) experiments and two generalised vegetation models

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Kristina Mjöfors; [2005]
    Keywords : naturgeografi; climatology; cartography; pedology; CO2 exchange; photosynthesis; koldioxidutbyte; climate change; fotosyntes; klimatförändring; geomorphology; physical geography; geomorfologi; marklära; kartografi; klimatologi; Earth and Environmental Sciences;

    Abstract : Increasing levels of CO2 in the atmosphere may substantially increase net primary productivity (NPP) and thereby increase carbon sequestration by terrestrial ecosystems. Realistic Free Air Carbon Enrichment (FACE) experiments tend to show a NPP enhancement of about 25% if CO2 is elevated by 200 ppm. READ MORE