Figure 2. Sea level variation through time at Portland, Maine (NOAA tide station No. 841850) showing the long-term trend in a linear regression. Slope = 1.87 mm/yr or 0.61 ft/century, r² = 0.46. Source: S. M. Dickson, Maine Geological survey, August 12, 2002.

---

Last updated on February 6, 2006.

Maine.gov | Department of Conservation | Bureau Home | Site Policies