Evaporation in a Coastal Subarctic Wetland During the Growing Season

• Main Author: Blanken, Peter
• Other Authors: Rouse, W. R., Geography
• Language: English
• Published: 1990
• Subjects: subarctic; wetland; growing season; coastal; Priestley; Subarctic; James Bay
• Online Access: http://hdl.handle.net/11375/18899

Energy balance components were measured over a coastal subarctic wetland in northwestern James Bay during the growing season. The Penman-Monteith combination model was used to determine surface and atmospheric controls on evaporation. The Priestley-Taylor combination model was used to calculate an evaporability parameter, a. Combining these two models resulted in determining the sensitivity of a to surface and atmospheric controls. Canopy, aerodynamic, and climatological resistances were influenced by onshore or offshore wind directions. Canopy resistance was dominant and showed a strong seasonal trend a averaged 0.78 and was influenced by wind direction a is most sensitive to canopy resistance, followed by vapour pressure deficit, net available energy, and aerodynamic resistance. Thesis Bachelor of Arts (BA)