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Explore our planet through photography and imagery, including climate change and water all the way back to the 1800s when the USGS was surveying the country by horse and buggy.
Canal and water control structure
Wider view of Canal 59 in the foreground and Control Structure S-191, which
controls water flow into Lake Okeechobee.
Orange Grove
Green stagnant waters fill this drainage ditch that lies in front of an orange
grove located in the vicinity of Lake Okeechobee.
Turf Farm
Seen beyond the dirt road are smooth, green grasses of a turf farm located in
the vicinity of Lake Okeechobee.
Cows Near Lake Okeechobee
Cattle grazing north of Lake Okeechobee, where cattle ranching and farming is
extensive.
Closing Lakeside Gates at Navigational Lock
U.S. Army Corps of Engineer personnel overlooks the closing of the lakeside
gates at the Port Mayaca Navigational Lock. Lake Okeechobee is in the
background.
Boat Exiting Navigational Lock
With canal-side gates closed behind them and the Lake Okeechobee lakeside
gates open before them, a boater slowly exits from the Port Mayaca
Navigational Lock.
St. Lucie Canal
Looking eastward from the middle of the Port Mayaca Dam, at the St. Lucie
Canal, which connects to Lake Okeechobee.
Buoys and Birds
On the Lake Okeechobee side of Control Structure S-191, double-crested
cormorants rest atop the buoys and wooden posts. Lake Okeechobee is seen
to the right.
Canal and Water Control Structure
Canal 59 in the foreground and Control Structure S-191, which controls water
flow into Lake Okeechobee.
Orange Grove Rows
Looking through the rows of an orange grove located in the vicinity of Lake
Okeechobee.
A polar bear den
A polar bear den
API for microorganism identification
Analytical Profile Index (API) for microorganism identification.
Groundwater Sampling on Long Island
Groundwater sampling for water quality on Long Island, New York
Map of study area, Yucca Valley, California.
Map of study area, Yucca Valley, California.
Aquifer Compaction
Fine-grained sediments (clays and silts) within an aquifer system are the main culprits in land subsidence due to groundwater pumping. Fine-grained sediments are special because they are composed of platy grains. When fine-grained sediments are originally deposited, they tend to be deposited in random orientations. These randomly oriented sediment grains have a lot of room
...Areas at high risk of nitrogen contamination of groundwater
Modeling integrates information to estimate risks of nitrate contamination to shallow ground water
One USGS model, based on nationwide data, was developed to estimate the risk of nitrate contamination to shallow ground water across the United States.(30) The model integrates nitrogen inputs and aquifer vulnerability by use of Geographic Information
...American Beauty Berry Shrub
At the end of the boardwalk behind the Briggs Nature Center at Rookery Bay
National Estuarine Research Reserve, clusters of magenta fruits surround the
stems of this American beauty berry shrub.
Brackish Pond Community
Looking from an observation deck, at Rookery Bay National Estuarine
Research Reserve, onto a flock of birds resting in a brackish (somewhat salty)
pond community. Mangrove islands grow inside and along the edges of the
pond.
Great White Heron
A great white heron standing atop a dock in Florida Bay.
Interior of Bob Allen Key
A short walk through the shallow mangrove perimeter to the interior of Bob Allen Key affords this view of a mostly clear, shallow ponded area.
Florida Bay
Looking south from the Black Betsy Keys shore, onto waters of Florida Bay. On the horizon, Key islands separate the green bay waters from the blue cloud-filled skies.
Little Madeira Bay
Looking south from Little Madeira Bay at a line of Key islands in Florida Bay.
Red Mangrove Root System
Red mangroves and their root systems at the edge of Shell Key, in Florida Bay.
Osprey in Nest
An osprey sitting in its nest atop a channel marker in Florida Bay.
Great White Heron Atop Mangrove Roots
A great white heron standing atop the mangrove roots of Boggy Key; a Florida Key island.
Mangroves
A close-up view of a mangrove islet of the Florida Keys, south of Boggy Key.
Channel Between Key Islands
Looking through a channel between the mangrove tree Florida Key islands, south of Boggy Key.
Alligator
An alligator hides partially submerged in the grassy waters-edge of Taylor
Slough at Everglades National Park.
Cormorant
A double-crested cormorant rests nearby the ponded Taylor Slough waters at
Everglades National Park.
Tree Islands
Looking out over Taylor Slough sawgrass marsh at Everglades National Park,
with tree islands seen in the background.
Gallinule
A purple gallinule stands atop the spatterdock at Everglades National Park.
Anhinga
A female anhinga roosts in the trees at Everglades National Park.
Spatterdock
Budding spatterdocks are seen floating atop the Taylor Slough waters at
Everglades National Park.
Long Pine Key
Long Pine Key in Everglades National Park contains a pine forest community
indicative of the original pine forests of Florida.
Butterfly Pea Vine
A butterfly pea vine flowering in the sandy soils of Long Pine Key at Everglades
National Park.
Freshwater Snails
Looking down from the Pa-hay-okee boardwalk at Everglades National Park,
snail shells litter the grassy water's surface.
Periphyton
Looking down from the Mahogany Hammock boardwalk at Everglades National Park, periphyton is abundant in the watery seagrass.
Hammocks and sawgrass
Looking from the Mahogany Hammock boardwalk at Everglades National Park, hammocks interrupt the flat sawgrass expanse.
Mangroves along the main park road
Mangroves frame the west and east sides of the main park road of Everglades National Park, just north of Mrazek Pond
Morning Glory
Trumpet-shaped flower of the morning glory vine blooms year round at Everglades National Park.
Red-shouldered Hawk
A red-shouldered hawk roosts in the lush greenery at Everglades National Park.
White Ibis
An immature white ibis poses on the rail as moorhens swim in the background waters of Eco Pond, at Everglades National Park.
Little Blue Heron
A little blue heron foraging in the waters of Eco Pond, at Everglades National Park.