Supriya Ghosh (Editor)

Cards Pond

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Covid-19
Type  saline
Area  17 ha
Catchment area  8.012 km²
Basin countries  United States
Mean depth  40 cm
Catchment area  8.012 km²
Location  South Kingstown, Washington County, Rhode Island
Group  Salt Ponds of Rhode Island
Primary inflows  precipitation, groundwater
Primary outflows  to sea, breaches 8-10 times a year

Hurricane sandy at cards pond


Cards Pond, or Card Pond, is a coastal lagoon in South Kingstown, Washington County, Rhode Island, United States.

Contents

Map of Card Ponds, South Kingstown, RI 02879, USA

Coastal lagoonEdit

It is one of nine coastal lagoons (often referred to as "salt ponds") in southern Rhode Island. According to the Rhode Island Sea Grant program, "[i]ts breachway is only intermittently open to the sea", and it receives large quantities of freshwater from Moonstone Stream; only two other salt ponds, Point Judith and Greenhill, have significant streams flowing into them. It is partially within the Trustom Pond National Wildlife Refuge, which is inhabited by over 360 species of animals.

WatershedEdit

Cards Pond's watershed covers 1,979.76 acres (801.18 ha), of which 59.06 acres (23.90 ha) is occupied by water; the pond itself has a surface area of 40.95 acres (16.57 ha), while other, smaller bodies of water account for the other 18.11 acres (7.33 ha). The pond averages 1.3 ft (0.40 m) deep, and has a salinity level of approximately 4 parts per thousand, too low to sustain the growth of eelgrass. It has been classified as "non-tidal except when breached by storms". The water directly receives about 51,196,553 gallons of precipitation per year, and at least 1,592,165 gallons of daily groundwater flow. Cards Pond, like others in the region, was "formed after the recession of the glaciers 12,000 years ago". Nests of piping plovers, which are federally designated as a threatened species, have been documented within the watershed.

FloodingEdit

The land surrounding Cards Pond is low-lying, and particularly vulnerable to severe flooding. However, compared to other ponds in the region, damage from future storms is projected to be minimal. It typically breaches around 9 times each year, spilling into the Block Island Sound. When the pond threatens to flood a nearby road or surrounding houses, a breach is intentionally created by the U.S. Fish and Wildlife Service.

References

Cards Pond Wikipedia


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