Map of Sea Level Trends
Local trends are calculated with a least-squares fit of 10-day, 0.25 degree resolution grids of sea level. A trend, bias, annual, and semi-annual terms are fit simultaneously. Please note that these trends have been determined for only a nineteen-year (1993 - 2012) period, and reflect the impact of decadal scale climate variability on the regional distribution of sea level rise. Additionally, local sea surface height trends and variations are a result of many factors, including (but not limited to) local crustal displacement, glacial isostatic adjustment, steric effects, and even local wind patterns. Therefore you should consider these effects in interpreting local sea surface height time series derived from our gridded data sets.