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Portland Head Light Morning
Solar Eclipse Over Katahdin.jpg
Congress Street Portland
Willard Beach Sunset.jpg
World of Wonder.jpg
Willard Beach Sunset
Island Meditation.jpg
Willard Beach Sunset Pano.jpg
Rockland Breakwater Lighthouse
Red Dawn
Signs of Spring.jpg
Bunganuc Landing at Night
Frozen Dawn
Willard Beach Sunset Panorama.jpg
City Center Plaza.jpg
Seeking the Peak.jpg
Table Rock Dixville Notch.jpg
Great Gulf Winter Sunrise.jpg
Patterns of Color.jpg
Morning Above Franconia.jpg
Early One Morning
Three Boats in Fog.jpg
Rockland Breakwater at Night.jpg
Idyllic Brunswick
Popham Beach from Fox Island
Boothbay Winter Sunrise
The Tree
Sand Pattern Sunset at Popham Beach.jpg
Between the Islands.jpg
Look Again
Red Moon behind Ram Island Ledge
Bates Cairn at Sunset in Acadia Nati...jpg
Five Islands Winter Sunrise.jpg
Full Moon Over Penobscot Bay.jpg
Moon Over Cook's.jpg
Jenne Farm Peak Foliage.jpg
Cribworks Sunrise.jpg
Sebasco Sunset.jpg
1930 Bridge.jpg
Frozen Spring Point Ledge
The Photographer.jpg
Portland Maine Skyline
A Glorious Awakening
Spirit of Maine
The Right Light
Lightning over Portland Maine.jpg
Bates Cairn at Sunset.jpg
Arctic Intrusion.jpg
Eye of the Desert.jpg
The Pier at Sunrise
Goat Island Lighthouse at Night
Popham Beach Lifesaving Station
Bathed in Moonlight
Pemaquid Winter Sunrise
The Wonder of a New Day.jpg
Spring Point Zig Zag.jpg
Radiant.jpg
Stan.jpg
Nubble's Dark Side in Light.jpg
Rockport Maine Snow.jpg
Maiden's Cliff Camden Sunset.jpg
Observatory Rainbow
The Power of Water
Pine Point Rainbow
Popham Beach Blues
Bodfish Foreman's House
Wil and his Boats
Otherworldly
Trapped at Lookout Point
Popham Beach at Night
Moon Under the Cribstone Bridge
Beechnut - Beech Hill Preserve
No Words.jpg
Dark Necessities.jpg
Path to Popham.jpg
Popham Beach Panorama 1x3
Fore Street Portland Maine
Mackerel Cove Light
3 Cottages
Winter Street Moon
Clair De Lune.jpg
Seeing Double.jpg
Center of Gravity
Full Moon Behind the Portland Observ..tory
Rome at Night
Nubble Sunrise
Sea Monster.jpg
Hypnagogia.jpg
Full Moon Over Munjoy Hill Panorama
Bioluminescence
Benjamin Williamson Photography
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![I thought I was seeing reflections at twilight under the cliffs, but as the sky got dark, the lights actually got brighter. I can't tell you how excited I was when I realized what we were seeing! According to the Smithsonian website, each dinoflagellate bursts into light when it feels pressure against its cell wall. The light is given off in an instantaneous process; when you add the light bursts of 750,000 dinoflagellates per cubic foot of water together the effect is spectacular!<br />
<br />
Almost all marine bioluminescence is (greenish) blue in color because the blue-green light [wavelength around 470 nanometers] transmits furthest in water. Most organisms are sensitive only to blue light, although the luminescence in this case is readily visible to the dark-adapted human eye.<br />
<br />
Also, the intensity of luminescence of these photosynthetic creatures depends on the intensity of sunlight the previous day. The brighter the sunlight the brighter the waters will glow that night.](https://m.psecn.photoshelter.com/img-get2/I0000bzsOMcH88eo/fill=/fit=180x180/I0000bzsOMcH88eo.jpg)