Windward Community College Heeia Stream and Kaneohe Bay Water Quality Assessment Project 2002-2003 (NODC Accession 00014899)

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Metadata:


Identification_Information:
Citation:
Citation_Information:
Originator: Leticia Colmenares, Windward Community College
Publication_Date: Unknown
Title:
Windward Community College Heeia Stream and Kaneohe Bay Water Quality Assessment Project 2002-2003 (NODC Accession 00014899)
Publication_Information:
Publication_Place: Unpublished Material
Publisher: Unpublished Material
Online_Linkage: <http://data.nodc.noaa.gov/accession/0001489>
Description:
Abstract:
Measurements of water quality parameters were taken by Windward Community College faculty and students at eight sites in the Heeia Stream and adjacent bay waters from December 2002 through November 2003. Parameters include Combined Nitrogen, Total Lead, Total Nitrogen, and Total Phosphorous. Data provided as MS Excel spreadsheets and GIF plots.
Purpose:
Assess the water quality of Heeia Stream and adjacent bay waters.
Supplemental_Information:
Entry_ID Unknown Sensor_Name sample bottles, ion chromatograph system Source_Name manual Project_Campaign: NOAA Originating_Center Windward Community College Storage_Medium MS Excel Online_size: 941 kbytes
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20021206
Ending_Date: 20031115
Currentness_Reference: ground condition
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None Planned
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -157.8164
East_Bounding_Coordinate: -157.8078
North_Bounding_Coordinate: 21.4483
South_Bounding_Coordinate: 21.4175
Keywords:
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: Coastal studies,
Theme_Keyword: stream studies,
Theme_Keyword: water quality,
Theme_Keyword: Combined Nitrogen,
Theme_Keyword: Total Lead,
Theme_Keyword: Total Nitrogen,
Theme_Keyword: Total Phosphorous
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: environment
Theme_Keyword: 007
Theme:
Theme_Keyword_Thesaurus: CoRIS Discovery Thesaurus
Theme_Keyword: Numeric Data Sets > Water Quality
Theme:
Theme_Keyword_Thesaurus: CoRIS Theme Thesaurus
Theme_Keyword: EARTH SCIENCE > Hydrosphere > Water Quality
Place:
Place_Keyword_Thesaurus: None
Place_Keyword: North Pacific
Place_Keyword: Hawaiian Islands
Place_Keyword: Windward Oahu
Place_Keyword: Heeia Stream
Place_Keyword: Kaneohe Bay
Place:
Place_Keyword_Thesaurus: CoRIS Region
Place_Keyword: MHI
Place:
Place_Keyword_Thesaurus: CoRIS Place Thesaurus
Place_Keyword:
OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Hawaiian Islands > Oahu Island > Kaneohe Bay (21N157W0004)
Place_Keyword:
COUNTRY/TERRITORY > United States of America > Hawaii > Honolulu > Kaneohe Bay (21N157W0004)
Place_Keyword:
OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Hawaiian Islands > Oahu Island > Oahu (21N157W0003)
Place_Keyword:
COUNTRY/TERRITORY > United States of America > Hawaii > Honolulu > Oahu (21N157W0003)
Stratum:
Stratum_Keyword_Thesaurus: None
Stratum_Keyword: near surface
Access_Constraints: None
Use_Constraints: Dataset credit required
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Leticia Colmenares
Contact_Organization: Windward Community College
Contact_Position: Marine Biologist
Contact_Address:
Address_Type: mailing and physical
Address: 45-720 Kea'ahala Road
City: Kaneohe
State_or_Province: Hawaii
Postal_Code: 96744
Country: USA
Contact_Voice_Telephone: (808) 236-9120
Contact_Electronic_Mail_Address: leticia@hawaii.edu
Data_Set_Credit:
National Oceanic and Atmospheric Administration, Windward Community College
Native_Data_Set_Environment: MS Excel

Data_Quality_Information:
Logical_Consistency_Report: see lineage, process step
Completeness_Report: none
Lineage:
Process_Step:
Process_Description:
Determination of Nitrite, Nitrate and Phosphate

Summary of Method. Water samples are filtered and analyzed by ion chromatography (IC). Each analytical batch consists of a blank, 5 external calibration standards and a calibration check for every 8 samples. The method detection limits (MDL) are as follows: 0.1 mg/L for phosphate, and 0.05 mg/L for nitrite and nitrate.

Preparation of IC samples. Water samples are pre-filtered before analysis in the Dionex ICS-90 ion chromatography system. Fresh water samples (5 mL) are filtered through 0.20 mm IC Millex syringe filters (for freshwater samples) while saltwater samples are filtered through the Dionex Ag/H cartridges and diluted 50:50 using deionized distilled water.

Preparation of IC calibration standards. The following calibration standards are prepared. (1) 0.1 mg/L of phosphate, 0.05 mg/L of nitrite and 0.05 mg/L nitrate (2) 0.2 mg/L phosphate and 0.1 mg/L nitrite and 0.1 mg/L nitrate (3) 1.0 mg/L phosphate and 0.5 mg/L nitrite and 0.5 mg/L nitrate (4) 2.0 mg/L phosphate and 1.0 mg/L nitrite and 1.0 mg/L nitrate (5) 10.0 mg/L phosphate and 5.0 mg/L nitrite and 5.0 mg/L nitrate

Calibration. The calibration curve must consist of at least three data points. The response of each calibrator must be within 10%, otherwise, it does not meet method criteria and must be removed from the working calibration curve.

Final data are summarized in Excel worksheets. The nitrite as N (mg/L) is calculated by multiplying the nitrite (mg/L) with 0.304 (factor). Likewise, the nitrate as N (mg/L) content is calculated by multiplying the nitrate (mg/L) content with 0.226 (factor). The phosphate (mg/L) content is converted to phosphorus (mg/L) by using the factor of 0.326.

Determination of Total Nitrogen and Total Phosphorus

Summary of Method. To analyze the total N and total P content, all phosphorus-and nitrogen-containing substances in the water sample are first converted to inorganic nitrates and phosphates by photo-oxidation. After photo-oxidation, the samples are analyzed as described above.

Photo-oxidation. Water samples (100 mL) added with 2 drops of 30% H2O2, are photo-oxidized using Ace-Hanovia photooxidation apparatus (Department of Health State Laboratory) for four (4) hours to hydrolyze all phosphorus-containing substances into phosphates, and all nitrogen-containing substances into nitrates.

Process_Date: Unknown
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Leticia Colmenares
Contact_Organization: Windward Community College
Contact_Position: Marine Biologist
Contact_Address:
Address_Type: mailing and physical
Address: 45-720 Kea'ahala Road
City: Kaneohe
State_or_Province: Hawaii
Postal_Code: 96744
Country: USA
Contact_Voice_Telephone: (808) 236-9120
Contact_Electronic_Mail_Address: leticia@hawaii.edu

Entity_and_Attribute_Information:
Overview_Description:
Entity_and_Attribute_Overview:
Original data files given as MS Excel files in directory ../../data/excel/:

File comment HeeiaCN1202-0403.xls Combined Nitrogen HeeiaLead0303-1103.xls Total Lead HeeiaTN1202-0403.xls Total Nitrogen HeeiaTP1202-0403.xls Total Phosphorous

Sample dates, locations, and units are defined in each file Redundant ASCII copies were made of each with same file name except for a CSV (Comma Separated Version) extention.

The following were downloaded off the internet, <http://www.wcc.hawaii.edu/water/>

Directory ../../data/figs_text The following files contain plots and a table of the data found in the Excel files described above:

combined_nitrogen_plot_table.gif total_phosphorous_plot_table.gif lead_plot_table.gif totalnitrogen_plot_table.gif

These files have descriptions and comments regarding each parameter:

combined_nitrogen_discussion.txt total_phosphorous_discussion.txt lead_discussion.txt totalnitrogen_discussion.txt

More information regarding the data collection locations can be found in directory ../../data/sites:

Figures depicting location: HeeiaSiteMap.jpg HeeiaSite01.jpg HeeiaSite02.jpg HeeiaSite03.jpg HeeiaSite04.jpg HeeiaSite05.jpg HeeiaSite06.jpg HeeiaSite07.jpg HeeiaSite08.jpg

Descriptive text and discussion: HeeiaSite01.txt HeeiaSite02.txt HeeiaSite03.txt HeeiaSite04.txt HeeiaSite05.txt HeeiaSite06.txt HeeiaSite07.txt HeeiaSite08.txt

Entity_and_Attribute_Detail_Citation: none

Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
NOAA/NESDIS/NODC/NCDDC (National Coastal Data Development Center)
Contact_Address:
Address_Type: Mailing and Physical Address
Address: National Coastal Data Development Center, Building 1100
City: Stennis Space Center
State_or_Province: MS
Postal_Code: 39529
Contact_Voice_Telephone: 866-732-2382
Contact_Facsimile_Telephone: 228-688-2968
Contact_Electronic_Mail_Address: ncddcgetdata@noaa.gov
Hours_of_Service: 8am-5pm, Monday through Friday
Resource_Description: Downloadable Data
Distribution_Liability:
NOAA makes no warranty regarding these data,expressed or implied, nor does the fact of distribution constitute such a warranty. NOAA, NESDIS, NODC and NCDDC cannot assume liability for any damages caused by any errors or omissions in these data, nor as a result of the failure of these data to function on a particular system.

Metadata_Reference_Information:
Metadata_Date: 20121207
Metadata_Review_Date: 20100113
Metadata_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Mr. Patrick C. Caldwell
Contact_Organization: NOAA/NESDIS/NODC/NCDDC
Contact_Position: Hawaii/US Pacific Liaison
Contact_Address:
Address_Type: mailing
Address: 1000 Pope Road, MSB 316
Address: Dept. of Oceanography
Address: University of Hawaii at Manoa
City: Honolulu
State_or_Province: Hawaii
Postal_Code: 96822
Country: USA
Contact_Voice_Telephone: (808)-956-4105
Contact_Facsimile_Telephone: (808) 956-2352
Contact_Electronic_Mail_Address: caldwell@hawaii.edu
Hours_of_Service: 8 AM to 5 PM weekdays
Contact_Instructions: check services@nodc.noaa.gov if not available
Metadata_Standard_Name: FGDC CSDGM
Metadata_Standard_Version: FGDC-STD-001-1998

CoRIS:
CoRIS_ID: 20100113044119
CoRIS_Children: None
CoRIS_Beginning_Date: 20021206
CoRIS_Ending_Date: 20031115
CoRIS_Metadata_Link:
<http://www.coris.noaa.gov/metadata/records/html/heeia_wq_fgdc_0001489.html>
CoRIS_Tracking_ID: 4434

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