Fernow Experimental Forest precipitation chemistry

Metadata:

Entity_and_Attribute_Information:

Detailed_Description:

Entity_Type:

Entity_Type_Label: Fernow Experimental Forest

Entity_Type_Definition:

The Fernow Experimental Forest (FEF) is an experimental forest in the Monongahela National Forest in West Virginia.

Entity_Type_Definition_Source:

USDA Forest Service

Detailed_Description:

Entity_Type:

Entity_Type_Label: precipitation chemistry monitoring site

Entity_Type_Definition:

Open (bulk) precipitation samples are collected continuously, and analyzed for precipitation chemistry.

Entity_Type_Definition_Source:

Fernow Experimental Forest Data Manager

Attribute:

Attribute_Label: station ID

Attribute_Definition:

Weather station identification code (text)

Attribute_Definition_Source:

Fernow Experimental Forest Data Manager

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: B

Enumerated_Domain_Value_Definition:

Weather station in the Camp Hollow drainage near the mouths of 3 gauged watersheds: WS-3, WS-4, WS-5

Enumerated_Domain_Value_Definition_Source:

Fernow Experimental Forest Data Manager

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: C

Enumerated_Domain_Value_Definition:

Weather station near the top of Fork Mountain in watershed WS-4

Enumerated_Domain_Value_Definition_Source:

Fernow Experimental Forest Data Manager

Attribute:

Attribute_Label: pH

Attribute_Definition:

pH (in pH units) of the weekly precipitation chemistry sample (numeric)

NOTE: pH units must be converted to hydrogen ion concentration (H+ = 10^-pH) before calculation of means.
The formula pH = -log10(H+) converts mean hydrogen ion concentration to pH units.

Attribute_Definition_Source:

Fernow Experimental Forest Data Manager

Attribute_Value_Accuracy_Information:

Attribute_Value_Accuracy: 0.07

Attribute_Value_Accuracy_Explanation:

+/- 0.07 pH units = maximum control limit for this analyte

Attribute:

Attribute_Label: conductivity

Attribute_Definition:

Electrical conductivity in microSiemens per centimeter of the weekly precipitation chemistry sample (numeric)

Attribute_Definition_Source:

Fernow Experimental Forest Data Manager

Attribute_Value_Accuracy_Information:

Attribute_Value_Accuracy: 5

Attribute_Value_Accuracy_Explanation:

+/- 5 microSiemens per centimeter = maximum control limit for this analyte

Attribute:

Attribute_Label: acidity

Attribute_Definition:

Acidity in milligrams of calcium carbonate (CaCO3) per liter of the weekly precipitation chemistry sample (numeric)

Attribute_Definition_Source:

Fernow Experimental Forest Data Manager

Attribute_Value_Accuracy_Information:

Attribute_Value_Accuracy: 0.07

Attribute_Value_Accuracy_Explanation:

+/- 0.07 pH units after pH probe calibration prior to titration = maximum control limit for this analyte

Attribute:

Attribute_Label: acid neutralizing capacity (ANC)

Attribute_Definition:

Acid neutralizing capacity in microequivalents per liter of the weekly precipitation chemistry sample (numeric)

Attribute_Definition_Source:

Fernow Experimental Forest Data Manager

Attribute_Value_Accuracy_Information:

Attribute_Value_Accuracy: 0.07

Attribute_Value_Accuracy_Explanation:

+/- 0.07 pH units after pH probe calibration prior to titration = maximum control limit for this analyte

Attribute:

Attribute_Label: calcium (Ca)

Attribute_Definition:

Calcium concentration in milligrams per liter of the weekly precipitation chemistry sample (numeric)

Attribute_Definition_Source:

Fernow Experimental Forest Data Manager

Attribute_Value_Accuracy_Information:

Attribute_Value_Accuracy: 5

Attribute_Value_Accuracy_Explanation:

+/- 5 percent = maximum control limit for this analyte

Attribute:

Attribute_Label: magnesium (Mg)

Attribute_Definition:

Magnesium concentration in milligrams per liter of the weekly precipitation chemistry sample (numeric)

Attribute_Definition_Source:

Fernow Experimental Forest Data Manager

Attribute_Value_Accuracy_Information:

Attribute_Value_Accuracy: 5

Attribute_Value_Accuracy_Explanation:

+/- 5 percent = maximum control limit for this analyte

Attribute:

Attribute_Label: sodium (Na)

Attribute_Definition:

Sodium concentration in milligrams per liter of the weekly precipitation chemistry sample (numeric)

Attribute_Definition_Source:

Fernow Experimental Forest Data Manager

Attribute_Value_Accuracy_Information:

Attribute_Value_Accuracy: 5

Attribute_Value_Accuracy_Explanation:

+/- 5 percent = maximum control limit for this analyte

Attribute:

Attribute_Label: potassium (K)

Attribute_Definition:

Potassium concentration in milligrams per liter of the weekly precipitation chemistry sample (numeric)

Attribute_Definition_Source:

Fernow Experimental Forest Data Manager

Attribute_Value_Accuracy_Information:

Attribute_Value_Accuracy: 5

Attribute_Value_Accuracy_Explanation:

+/- 5 percent = maximum control limit for this analyte

Attribute:

Attribute_Label: ammonium (NH4)

Attribute_Definition:

Ammonium concentration in milligrams per liter of the weekly precipitation chemistry sample (numeric)

Attribute_Definition_Source:

Fernow Experimental Forest Data Manager

Attribute_Value_Accuracy_Information:

Attribute_Value_Accuracy: 5

Attribute_Value_Accuracy_Explanation:

+/- 5 percent = maximum control limit for this analyte

Attribute:

Attribute_Label: chloride (Cl)

Attribute_Definition:

Chloride concentration in milligrams per liter of the weekly precipitation chemistry sample (numeric)

Attribute_Definition_Source:

Fernow Experimental Forest Data Manager

Attribute_Value_Accuracy_Information:

Attribute_Value_Accuracy: 10

Attribute_Value_Accuracy_Explanation:

+/- 10 percent = maximum control limit for this analyte

Attribute:

Attribute_Label: nitrate (NO3)

Attribute_Definition:

Nitrate concentration in milligrams per liter of the weekly precipitation chemistry sample (numeric)

Attribute_Definition_Source:

Fernow Experimental Forest Data Manager

Attribute_Value_Accuracy_Information:

Attribute_Value_Accuracy: 10

Attribute_Value_Accuracy_Explanation:

+/- 10 percent = maximum control limit for this analyte

Attribute:

Attribute_Label: sulfate (SO4)

Attribute_Definition:

Sulfate concentration in milligrams per liter of the weekly precipitation chemistry sample (numeric)

Attribute_Definition_Source:

Fernow Experimental Forest Data Manager

Attribute_Value_Accuracy_Information:

Attribute_Value_Accuracy: 5

Attribute_Value_Accuracy_Explanation:

+/- 5 percent = maximum control limit for this analyte

Overview_Description:

Entity_and_Attribute_Overview:

DATA DESCRIBED BELOW ARE AVAILABLE THROUGH FULL DATA PUBLICATION DOWNLOAD:

Comma-delimited ASCII text file (also available as a tab-delimited file through the online query tool) containing the following variables:

Weather Station = Station identification code (B=weather station in Camp Hollow, C=weather station on Fork Mountain);

Date (mm/dd/yyyy) = Day of measurement (mm/dd/yyyy, where mm=month, dd=day, and yyyy=year);

pH = pH (in pH units) of the weekly precipitation chemistry sample (NOTE: pH units must be converted to hydrogen ion concentration (H+ = 10^-pH) before calculation of means. The formula pH = -log10(H+) converts mean hydrogen ion concentration to pH units);

Electrical Conductivity (uS/cm) = Electrical conductivity in microSiemens per centimeter of the weekly precipitation chemistry sample;

Acidity (mg CaCO3/L) = Acidity in milligrams of calcium carbonate (CaCO3) per liter of the weekly precipitation chemistry sample;

Acid Neutralizing Capacity (ueq/L) = Acid neutralizing capacity in microequivalents per liter of the weekly precipitation chemistry sample;

Calcium (mg/L) = Calcium concentration in milligrams per liter of the weekly precipitation chemistry sample;

Magnesium (mg/L) = Magnesium concentration in milligrams per liter of the weekly precipitation chemistry sample;

Sodium (mg/L) = Sodium concentration in milligrams per liter of the weekly precipitation chemistry sample;

Potassium (mg/L) = Potassium concentration in milligrams per liter of the weekly precipitation chemistry sample;

Ammonium (mg/L) = Ammonium concentration in milligrams per liter of the weekly precipitation chemistry sample;

Chloride (mg/L) = Chloride concentration in milligrams per liter of the weekly precipitation chemistry sample;

Nitrate (mg/L) = Nitrate concentration in milligrams per liter of the weekly precipitation chemistry sample; and

Sulfate (mg/L) = Sulfate concentration in milligrams per liter of the weekly precipitation chemistry sample.

* Note that means, minimums, and maximums of the precipitation chemistry measurements above can be calculated using the online query tool. But be aware that calculations are based on user selections and should be carefully interpreted.

Entity_and_Attribute_Detail_Citation:

None provided

Metadata_Reference_Information:

Metadata_Date: 20210827

Metadata_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: USDA Forest Service, Northern Research Station

Contact_Position: Data Manager

Contact_Address:

Address_Type: mailing

Address: Timber & Watershed Laboratory

Address: PO Box 404

City: Parsons

State_or_Province: WV

Postal_Code: 26287

Country: USA

Contact_Address:

Address_Type: physical

Address: Timber & Watershed Laboratory

Address: 459 Nursery Bottom Rd.

City: Parsons

State_or_Province: WV

Postal_Code: 26287

Country: USA

Contact_Voice_Telephone: 304-478-2000

Metadata_Standard_Name: FGDC Biological Data Profile of the Content Standard for Digital Geospatial Metadata

Metadata_Standard_Version: FGDC-STD-001.1-1999