Modelling the long term impact of climate change on the carbon budget of Lake Simcoe, Ontario using INCA-C.
Sci Total Environ
; 414: 387-403, 2012 Jan 01.
Article
en En
| MEDLINE
| ID: mdl-22119036
This study presents a process-based model of dissolved organic carbon concentration ([DOC]) in catchments draining into Lake Simcoe, Ontario. INCA-C, the Integrated Catchment model for Carbon, incorporates carbon biogeochemical processes in a terrestrial system with hydrologic flow paths to simulate watershed wide [DOC]. The model successfully simulates present-day inter-annual and seasonal [DOC] dynamics in tributaries draining catchments with mixed or contrasting land cover in the Lake Simcoe watershed (LSW). The sensitivity of INCA-C to soil moisture, hydrologic controls and land uses within a watershed demonstrates its significance as a tool to explore pertinent environmental issues specific to the LSW. Projections of climate change under A1B and A2 SRES scenarios suggest a continuous monotonic increase in [DOC] in surface waters draining into Lake Simcoe. Large variations in seasonal DOC dynamics are predicted to occur during summer with a possibility of displacement of summer [DOC] maxima towards winter and a prolongation of summer [DOC] levels into the autumn. INCA-C also predicts possible increases in dissolved inorganic carbon in some tributaries with rising temperature suggesting increased CO(2) emissions from rivers as climate changes.
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Cambio Climático
/
Lagos
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Ciclo del Carbono
/
Modelos Químicos
Tipo de estudio:
Evaluation_studies
/
Health_economic_evaluation
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Prognostic_studies
País/Región como asunto:
America do norte
Idioma:
En
Revista:
Sci Total Environ
Año:
2012
Tipo del documento:
Article
Pais de publicación:
Países Bajos