The Pinehills, MA Coastal Erosion Rate
Is the coast eroding 2.9 miles north of The Pinehills, MA?
The coast 2.9 miles north of The Pinehills, MA shows no statistically significant trend either way. USGS's transects measured a rate here, but it's smaller than the survey's own margin of error for this stretch, so calling it "eroding" or "growing" would overstate what the data actually shows.
What "The Pinehills" means on this page
Nothing here is parcel-level. USGS's raw transects run every few hundred feet along the shore; this page averages the ones nearest The Pinehills, MA into one ~3.5-mile reading rather than picking a single arbitrary line to represent the area. Centered near 41.94°N, 70.59°W. Survey years: 2007-2009, method LRR, from USGS's New England / Mid-Atlantic shoreline-change assessment. That's how current the data is here, real, but not a live feed, since a shoreline survey is a major undertaking, not an annual check-in.
How solid is this number
74 transects feed this segment's number; 54% of them individually measured retreat. Uncertainty on this specific number: 0.15 ft/yr either side. Taken at face value, this segment's raw -0.01 ft/yr reading would land it 757 of 1211 nationally - a number worth ignoring, since it's statistical noise rather than a real trend. Source: USGS Open-File Report 2010-1119. Surfside Beach, TX sits at national rank 1059 for growth (0.69 ft/yr), one reference point among the 1211 scored segments, 1644 miles from here. The Pinehills, MA, 1.6 miles off, is the adjacent measured stretch, itself no significant trend.
One address near The Pinehills: the Coastal Change Hazards Portal zooms past this stretch to the underlying map.