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North-central Howard County Maryland (USA) watersheds: event rainfall and runoff data

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Owners:		This resource does not have an owner who is an active HydroShare user. Contact CUAHSI (help@cuahsi.org) for information on this resource.
Type:	Resource
Storage:	The size of this resource is 33.7 KB
Created:	Jul 06, 2026 at 4:58 p.m. (UTC)
Last updated:	Jul 07, 2026 at 6:57 p.m. (UTC)
Citation:	See how to cite this resource
Content types:	CSV Content

Sharing Status:	Public
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Downloads:	9
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Abstract

This resource includes supplemental information in the form of event rainfall and runoff data that support the following published article in Hydrological Processes: Eshleman, K.N. 2026. Detecting and quantifying hydrologic change in suburbanizing watersheds: role of green stormwater infrastructure; DOI: 10.1002/hyp.70643. Prospective data users are referred to the published article for detailed descriptions of the study watersheds, land use history, development phases, sampling design, sampling locations, methods, results, and conclusions.

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Coverage

Spatial

Coordinate System/Geographic Projection:

WGS 84 EPSG:4326

Coordinate Units:

Decimal degrees

Place/Area Name:

North-central Howard County Maryland USA

North Latitude

39.3117°

East Longitude

-76.8269°

South Latitude

39.2753°

West Longitude

-76.8971°

Temporal

Start Date:
End Date:

Content

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README.txt

# This file accompanies the file ""SI-rainfall-runoff.csv". Prospective data users should consult the published article in Hydrological Processes (Eshleman 2026: DOI: 10.1002/hyp.70643) before using the data for other hydrologic analyses or comparisons.  The event data were derived from analysis of 5-min stream discharge data, 5-min stream conductivity data, and 15-min point rainfall data.  Station information and column headings are provided below (including acronyms used):
#			
# SiteCode: PLBR
# SiteName: Plumtree Branch
# Latitude: 39.27859
# Longitude: -76.84070
# LatLonDatum: NAD83 
# State: Maryland 
# County: Howard
# Comments: Site in continuous operation from November 2019 through September 2025; station operated by KN Eshleman (keshleman@umces.edu)
# SiteType: Stream 
#
# SiteCode: UTLP
# SiteName: Unnamed Tributary to Little Patuxent River
# Latitude: 39.29387
# Longitude: -76.86492
# LatLonDatum: NAD83 
# State: Maryland 
# County: Howard
# Comments: Site in continuous operation from March 2020 through September 2025; station operated by KN Eshleman (keshleman@umces.edu)
# SiteType: Stream 
#
#																	
# Column heading: Definition
#
# Storm begin date: date for beginning of storm event (mm/dd/yyyy)
# Storm end date: date for end of storm event (mm/dd/yyyy)				
# Storm ID:  unique letter identifying the event (N/A = not applicable; letter(s) means that water quality data are available)		
# 1-h rainfall (cm, Kappa sta.): maximum one-hour event rainfall (cm) measured at ""Kappa"" station"					
# 24-h rainfall (cm, Kappa sta.): maximum 24-hour event rainfall (cm) measured at ""Kappa"" station"					
# Areal rainfall (cm, PLBR): areal event rainfall (cm) computed for Plumtree Branch (PLBR) watershed					
# Areal rainfall (cm, UTLP): areal event rainfall (cm) computed for Unnamed Tributary to Little Patuxent (UTLP) River watershed	
# Runoff (cm, PLBR): event runoff (cm) for PLBR 											
# Peak runoff (cm/h, PLBR): event peak runoff (cm/h) for PLBR										
# Runoff ratio (-, PLBR): event runoff ratio (-) for PLBR										
# Max. new water (%, PLBR): event maximum new water (%) for PLBR from conductivity mass balance (CMB)					
# Old water (m, PLBR): event old water (m) for PLBR from CMB										
# New water (m, PLBR): event new water runoff (m) for PLBR from CMB									
# Baseflow runoff (m, PLBR): event baseflow runoff (m) for PLBR from recursive digital filter (RDF) separation				
# Direct runoff (m, PLBR): event direct runoff (m) for PLBR from RDF separation								
# Runoff (cm, UTLP): event runoff (cm) for UTLP												
# Peak runoff (cm/h, UTLP): event peak runoff (cm/h) for UTLP										
# Runoff ratio (-, UTLP): event runoff ratio (-) for UTLP										
# Max. new water (%, UTLP): event maximum new water (%) for UTLP from CMB								
# Old water (m, UTLP): event old water (m) for UTLP from CMB										
# New water (m, UTLP): event new water runoff (m) for UTLP from CMB									
# Baseflow runoff (m, UTLP): event baseflow runoff (m) for UTLP from RDF separation							
# Direct runoff (m, UTLP): event direct runoff (m) for UTLP from RDF separation

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Credits

Funding Agencies

This resource was created using funding from the following sources:

Agency Name	Award Title	Award Number
Chesapeake Bay Trust	Assessing the effectiveness of green stormwater infrastructure for addressing stormwater management goals at the watershed scale: application of the BACI design	22063

How to Cite

Eshleman, K. N. (2026). North-central Howard County Maryland (USA) watersheds: event rainfall and runoff data, HydroShare, http://www.hydroshare.org/resource/74ca2342d9b04fd2bc67dc535f4700fd

This resource is shared under the Creative Commons Attribution CC BY.

http://creativecommons.org/licenses/by/4.0/

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