# Water chemistry in streams and precipitation samples in the HJ Andrews Experimental Forest, 2022-2023 ## Dataset - **Database Code:** CF021 - **Title:** Water chemistry in streams and precipitation samples in the HJ Andrews Experimental Forest, 2022-2023 - **Abstract:** Water samples have been collected for chemical analysis at various locations in the HJ Andrews Experimental Forest, starting in 2022. The database includes grab samples gathered approximately weekly in selected streams and bulk precipitation collected at the PRIMET meteorological station. Samples were analyzed for cations (Si4+, Ca2+, Mg2+, K+, and Na+) and anions (Cl- and SO42-). - **Keywords:** geography; hydrology; chemistry; streams - **Temporal coverage:** 2022-05-06 to 2023-05-04 - **Principal Investigator:** Catalina Segura ## Data Entities 1. Water chemistry in streams and precipitation samples in the HJ Andrews Experimental Forest ## Entity 1: Water chemistry in streams and precipitation samples in the HJ Andrews Experimental Forest ### Attribute list - **DBCODE** — varchar, enum FSDB Database Code - **CF021** — FSDB Database Study Code - **ENTITY** — numeric(1), range 1.0000 1.0000, number Entity number - **SITECODE** — varchar, enum Site code or stream name for the sampling location - **GSMACK** — Andrews Mack Creek Gaging Station - **GSLOOK** — Andrews Lookout Creek Gaging Station - **PRIMET** — Primary Meteorological Station - **Longer Creek** — Longer Creek - **Cold Creek** — Cold Creek - **Upper Lookout** — Upper Lookout Creek - **McRae Creek** — McRae Creek Synoptic Sample Sites - **Nostoc Creek** — Nostoc Creeek Synoptic Sample Sites - **TYPE** — varchar, enum Type of sample collected - **GB** — Surface water - **PREC** — Bulk Precipitation - **COLLECTION_PT** — varchar, enum Collection point for the sampling location - **PRIMET** — Primary Meteorological Station - **CC** — HF028 stream grab sample collection point at Cold Creek - **LO2** — HF028 stream grab sample collection point 2 at Upper Lookout - **LO1** — HF028 stream grab sample collection point 1 at Upper Lookout - **MR** — HF028 stream grab sample collection point at McRae Creek - **LO5** — HF028 stream grab sample collection point 5 at Upper Lookout - **MC** — HF028 stream grab sample collection point at Mack Creek - **LC** — HF028 stream grab sample collection point at Longer Creek - **NC** — HF028 stream grab sample collection point at Nostoc Creek - **LO3** — HF028 stream grab sample collection point 3 at Upper Lookout - **LO4** — HF028 stream grab sample collection point 4 at Upper Lookout - **SAMPLE_DATE** — datetime, freetext Date of sample collection - **CA** — numeric(1), range 0.0020 26.7800, milligrams per liter Dissolved calcium concentration; method inductively coupled plasma optical emission spectroscopy (ICP-OES) - **MG** — numeric(1), range 0.0046 4.4834, milligrams per liter Dissolved magnesium concentration; method inductively coupled plasma optical emission spectroscopy (ICP-OES) - **NA** — numeric(1), range 0.0200 14.1910, milligrams per liter Dissolved sodium concentration; method inductively coupled plasma optical emission spectroscopy (ICP-OES) - **K** — numeric(1), range 0.0142 1.4100, milligrams per liter Dissolved potassium concentration; method inductively coupled plasma optical emission spectroscopy (ICP-OES) - **SI** — numeric(1), range 0.0082 51.4497, milligrams per liter Dissolved silica concentration; method inductively coupled plasma optical emission spectroscopy (ICP-OES) - **CL** — numeric(1), range 1.0536 61.1358, milligrams per liter Dissolved chloride concentration; method ion chromatography - **SO4** — numeric(1), range 0.5998 4.3200, milligrams per liter Dissolved sulphate concentration; method ion chromatography ## Attribute Definitions **CA** Dissolved calcium concentration; method inductively coupled plasma optical emission spectroscopy (ICP-OES) **CL** Dissolved chloride concentration; method ion chromatography **COLLECTION_PT** Collection point for the sampling location **DBCODE** FSDB Database Code **ENTITY** Entity number **K** Dissolved potassium concentration; method inductively coupled plasma optical emission spectroscopy (ICP-OES) **MG** Dissolved magnesium concentration; method inductively coupled plasma optical emission spectroscopy (ICP-OES) **NA** Dissolved sodium concentration; method inductively coupled plasma optical emission spectroscopy (ICP-OES) **SAMPLE_DATE** Date of sample collection **SI** Dissolved silica concentration; method inductively coupled plasma optical emission spectroscopy (ICP-OES) **SITECODE** Site code or stream name for the sampling location **SO4** Dissolved sulphate concentration; method ion chromatography **TYPE** Type of sample collected ## Enumerated Domains ### DBCODE - **CF021** — FSDB Database Study Code ### SITECODE - **GSMACK** — Andrews Mack Creek Gaging Station - **GSLOOK** — Andrews Lookout Creek Gaging Station - **PRIMET** — Primary Meteorological Station - **Longer Creek** — Longer Creek - **Cold Creek** — Cold Creek - **Upper Lookout** — Upper Lookout Creek - **McRae Creek** — McRae Creek Synoptic Sample Sites - **Nostoc Creek** — Nostoc Creeek Synoptic Sample Sites ### TYPE - **GB** — Surface water - **PREC** — Bulk Precipitation ### COLLECTION_PT - **PRIMET** — Primary Meteorological Station - **CC** — HF028 stream grab sample collection point at Cold Creek - **LO2** — HF028 stream grab sample collection point 2 at Upper Lookout - **LO1** — HF028 stream grab sample collection point 1 at Upper Lookout - **MR** — HF028 stream grab sample collection point at McRae Creek - **LO5** — HF028 stream grab sample collection point 5 at Upper Lookout - **MC** — HF028 stream grab sample collection point at Mack Creek - **LC** — HF028 stream grab sample collection point at Longer Creek - **NC** — HF028 stream grab sample collection point at Nostoc Creek - **LO3** — HF028 stream grab sample collection point 3 at Upper Lookout - **LO4** — HF028 stream grab sample collection point 4 at Upper Lookout