ABOUT THIS PARAMETER

proportion of rainfall intercepted

The proportion of rainfall captured on plants.

Used to calculate:water held on plants

Varies by: ecosystem

Used ecosystem Reference Location: Ecosystem
(study period)		 Value Units Notes
* Agricultural field / vegetable garden Tolk et al. 1995 Estimated net interception losses during and after sprinkler irrigation events Bushland, TX: Corn field () 19 % proportion (0 - 100) "Measured irrigation application losses averaged 19% for overhead sprinklers... "
* Airfield Assumed New York City: Urban Area () 0 proportion (0-1)
* Airport terminal Assumed New York City: Urban Area () 0 proportion (0-1)
* Alley Assumed New York City: Urban Area () 0 proportion (0-1)
* Apartment building Assumed New York City: Urban Area () 0 proportion (0-1)
* Beach Assumed New York City: Urban Area () 0 proportion (0-1)
* Bike lane Assumed New York City: Urban Area () 0 proportion (0-1)
* Bioswale Assumed New York City: Urban Area () 0 proportion (0-1)
* Boulevard (arterial) Assumed New York City: Urban Area () 0 proportion (0-1)
* Bridge Assumed New York City: Urban Area () 0 proportion (0-1)
* Camp Assumed New York City: Urban Area () 0 proportion (0-1)
* Cemetery Assumed New York City: Urban Area () 0 proportion (0-1)
* Cistern / rain barrels Assumed New York City: Urban Area () 0 proportion (0-1)
* Cliffs and rock outcrops Assumed New York City: Urban Area () 0 proportion (0-1) we assume that the vegetative cover on cliffs and rock outcrops is negligible with respect to rainfall interception
* Cogeneration plant Assumed New York City: Urban Area () 0 proportion (0-1)
* Compost bin Assumed New York City: Urban Area () 0 proportion (0-1)
* Computer data center Assumed New York City: Urban Area () 0 proportion (0-1)
* Cottages / Mobile home Assumed New York City: Urban Area () 0 proportion (0-1)
* Deep water estuary Assumed New York City: Mannahatta () 0 proportion (0-1)
* Derelict structures Assumed New York City: Urban Area () 0 proportion (0-1)
* Diesel power plant Assumed New York City: Urban Area () 0 proportion (0-1)
* Disturbed Land Thurow et al. 1987 Rainfall interception by midgrass, shortgrass, and live oak mottes Edwards Plateau, TX: Midgrass (1984) 18.1 % proportion (0 - 100) assume same as "midgrass" prairie
* Eelgrass meadow Assumed New York City: Urban Area () 0 proportion (0-1) eelgrass grows subsurface so does not intercept rainfall
* Elevated train Assumed New York City: Urban Area () 0 proportion (0-1)
* Estuary Assumed New York City: Mannahatta () 0 proportion (0-1)
* Factory Assumed New York City: Urban Area () 0 proportion (0-1)
* Freshwater marsh Thurow et al. 1987 Rainfall interception by midgrass, shortgrass, and live oak mottes Edwards Plateau, TX: Midgrass (1984) 18.1 % proportion (0 - 100) assume the same rainfall interception as a "midgrass" prairie
* Fuel storage tank Assumed New York City: Urban Area () 0 proportion (0-1)
* Garage Assumed New York City: Urban Area () 0 proportion (0-1)
* Gas station Assumed New York City: Urban Area () 0 proportion (0-1)
* Geothermal pump Assumed New York City: Urban Area () 0 proportion (0-1)
* Graywater recycling Assumed New York City: Urban Area () 0 proportion (0-1)
* Greenhouse / vertical farm Assumed New York City: Urban Area () 0 proportion (0-1)
* Green roof Assumed New York City: Urban Area () 0 proportion (0-1)
* Hardwood swamp Henderson et al. 1977 Quantity and chemistry of throughfall as influenced by forest-type and season Walker Branch Watershed, TN: Quercus - Carya forest (1971-1973) 15.56 % proportion (0 - 100) assume the same interception rate as a oak-hickory forest
* Heavy rail line Assumed New York City: Urban Area () 0 proportion (0-1)
* Hemlock – northern hardwood forest Swank 1968 Influence of Rainfall Interception on Streamflow Highlands, NC: White pine () 22.45 % proportion (0 - 100) Swank (1968) estimated that a 60-year old white pine forest would intercept 12.1 inches of rainfall from an annual rainfall of 53.9 inches or 22.45%
* High salt marsh Thurow et al. 1987 Rainfall interception by midgrass, shortgrass, and live oak mottes Edwards Plateau, TX: Midgrass (1984) 18.1 % proportion (0 - 100)
* Highway Assumed New York City: Urban Area () 0 proportion (0-1)
* Hospital Assumed New York City: Urban Area () 0 proportion (0-1)
* Hotel Assumed New York City: Urban Area () 0 proportion (0-1)
* Landfill Assumed New York City: Urban Area () 0 proportion (0-1)
* Lawn Thurow et al. 1987 Rainfall interception by midgrass, shortgrass, and live oak mottes Edwards Plateau, TX: Shortgrass (1984) 10.1 % proportion (0 - 100) assume same as "shortgrass" prairie
* Light rail line Assumed New York City: Urban Area () 0 proportion (0-1)
* Low salt marsh Thurow et al. 1987 Rainfall interception by midgrass, shortgrass, and live oak mottes Edwards Plateau, TX: Midgrass (1984) 18.1 % proportion (0 - 100)
* Meadow Thurow et al. 1987 Rainfall interception by midgrass, shortgrass, and live oak mottes Edwards Plateau, TX: Midgrass (1984) 18.1 % proportion (0 - 100) "sideoats grama dominated sites"
Meadow Thurow et al. 1987 Rainfall interception by midgrass, shortgrass, and live oak mottes Edwards Plateau, TX: Shortgrass (1984) 10.8 % proportion (0 - 100) "curlymesquite dominated sites"
Meadow Beard 1962 Rainfall interception by grass Natal, South Africa: Thmeda veld (1956) 57.86 % proportion (0 - 100) Beard (1962) observed that for annual rainfall rate of 34.46 inches, throughfall was 14.52 inches, suggesting an interception rate of 57.86% (!)
* Mixed use: office / residential building Assumed New York City: Urban Area () 0 proportion (0-1)
* Mixed use: restaurant / office building Assumed New York City: Urban Area () 0 proportion (0-1)
* Mixed use: restaurant / residential building Assumed New York City: Urban Area () 0 proportion (0-1)
* Mixed use: restaurant / retail building Assumed New York City: Urban Area () 0 proportion (0-1)
* Mixed use: retail / office building Assumed New York City: Urban Area () 0 proportion (0-1)
* Mixed use: retail / residential building Assumed New York City: Urban Area () 0 proportion (0-1)
* Natural gas power plant Assumed New York City: Urban Area () 0 proportion (0-1)
* Oak hickory forest Henderson et al. 1977 Quantity and chemistry of throughfall as influenced by forest-type and season Walker Branch Watershed, TN: Quercus - Carya forest (1971-1973) 15.56 % proportion (0 - 100) During the growing season, Henderson et al. (1977) observed that throughfall was 588 mm from annual precipitation of 710 mm (interception = 17.18%) and 630 mm from annual precipitation of 732 mm (interception = 13.93%). The average of these is 15.56%
Oak hickory forest Swank 1968 Influence of Rainfall Interception on Streamflow Eastern USA: Mixed hardwood forest () 7.98 % proportion (0 - 100) Swank (1968) estimates that over the course of year 4.3 inches of rainfall would be intercepted from an annual rainfall of 53.9 inches (or
Oak hickory forest Swank 1968 Influence of Rainfall Interception on Streamflow Hot Springs, AK: Shortleaf pine overstory; hardwood understory () 17.1 % proportion (0 - 100) Swank (1968) estimates that 9.2 inches of rainfall would be intercepted from an annual rainfall of 53.9 inches, or 17.1%
* Office building Assumed New York City: Urban Area () 0 proportion (0-1)
* Orchard Fares et al. 2008 Water balance components in a mature citrus orchard central Florida: citrus trees () 35 % proportion (0 - 100) " We found that the tree canopy intercepted 35 and 50% of the incoming high (≥5-mm) and low (<5-mm) intensity rainfalls, respectively."
* Ornamental garden Tolk et al. 1995 Estimated net interception losses during and after sprinkler irrigation events Bushland, TX: Corn field () 19 % proportion (0 - 100) Assumed to be the same as an agricultural field
* Parking lot Assumed New York City: Urban Area () 0 proportion (0-1)
* Park savanna Qingfu et al 2000 winter rainfall interception Davis, California: park savanna (2000) 15 % proportion (0 - 100) interception loss to drainage basin for deciduous tree = 15% aka proportion of rainfall intercepted by park savanna tree
* Paved ball field/court Assumed New York City: Urban Area () 0 proportion (0-1)
* Pedestrian bridge Assumed New York City: Urban Area () 0 proportion (0-1)
* Pedestrian street / plaza Assumed New York City: Urban Area () 0 proportion (0-1)
* Permeable pavers NC State Agriculture 2008 permeable pavement: research update and design implications North Carolina: urban impervious area (2008) 40 % proportion (0 - 100)
Permeable pavers NC State Agriculture 2008 permeable pavement: research update and design implications North Carolina: urban impervious area (2008) 20 % proportion (0 - 100) auto impervious proportion of rainfall intercepted
Permeable pavers NC State Agriculture 2008 permeable pavement: research update and design implications North Carolina: urban impervious area (2008) 60 % proportion (0 - 100) pedestrian permeable paver retention
* Photovoltaic panels Assumed New York City: Urban Area () 0 proportion (0-1)
* Pier Assumed New York City: Urban Area () 0 proportion (0-1)
* Pond Assumed New York City: Urban Area () 0 proportion (0-1)
* Public assembly hall Assumed New York City: Urban Area () 0 proportion (0-1)
Puddles on hardtops NULL REFERENCE NULL REFERENCE LOCATON: NULL ECOSYSTEM (NULL STUDY PERIOD) None DUMMY UNIT
* Restaurant Assumed New York City: Urban Area () 0 proportion (0-1)
* Retail building Assumed New York City: Urban Area () 0 proportion (0-1)
* School or university Assumed New York City: Urban Area () 0 proportion (0-1)
* Sewage treatment plant Assumed New York City: Urban Area () 0 proportion (0-1)
* Shrub land West & Gifford 1976 Rainfall interception by cool-desert shrubs Curlew Valley, UT: Desert shrubland (1973) 4 % proportion (0 - 100)
* Sidewalk Assumed New York City: Urban Area () 0 proportion (0-1)
* Single family home Assumed New York City: Urban Area () 0 proportion (0-1)
* Solar energy facility Assumed New York City: Urban Area () 0 proportion (0-1)
* Solar heating panels Assumed New York City: Urban Area () 0 proportion (0-1)
* Solid waste transfer plant Assumed New York City: Urban Area () 0 proportion (0-1)
* Stadium Assumed New York City: Urban Area () 0 proportion (0-1)
* Stream Assumed New York City: Urban Area () 0 proportion (0-1)
* Streetcar line Assumed New York City: Urban Area () 0 proportion (0-1)
* Street (collector) Assumed New York City: Urban Area () 0 proportion (0-1)
* Street trees Sanders 1986 Urban vegetation impacts on the hydrology of Dayton, OH Dayton, OH: Urban ecosystem () 9 % proportion (0 - 100)
* Subway Assumed New York City: Urban Area () 0 proportion (0-1)
* Swimming pool Assumed New York City: Urban Area () 0 proportion (0-1)
* Tidal energy facility Assumed New York City: Urban Area () 0 proportion (0-1)
* Traffic slowed street Assumed New York City: Urban Area () 0 proportion (0-1)
* Trail Assumed New York City: Urban Area () 0 proportion (0-1)
* Tunnel Assumed New York City: Urban Area () 0 proportion (0-1)
* Utility yard Assumed New York City: Urban Area () 0 proportion (0-1)
* Warehouse Assumed New York City: Urban Area () 0 proportion (0-1)
* Waste energy power plant Assumed New York City: Urban Area () 0 proportion (0-1)
* Water treatment plant Assumed New York City: Urban Area () 0 proportion (0-1)
* Water/wastewater storage tank Assumed New York City: Urban Area () 0 proportion (0-1)
* Wind farm Assumed New York City: Urban Area () 0 proportion (0-1)

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