DOI: 10.5061/dryad.5qfttdzgr
title: Data from: Calcium carbonate and phosphorus interactions in inland waters

description: Phosphorus, an element essential to all life, is impacted by calcium
 carbonate (CaCO3) co-precipitation and dissolution dynamics across aquatic
 ecosystems. Changes to climate, hydrology, and eutrophication, coupled
 with differences in terminology related to naming CaCO3-producing
 ecosystems (i.e., chalk, carbonate, karst, travertine), point to the
 urgency and challenges in understanding this portion of the phosphorus
 cycle. Forms of CaCO3 vary across inland aquatic ecosystems, from “whiting
 events” in open waters to massive travertine or tufa formations to
 cemented layers on basal resources. And, across lakes, streams, and
 wetlands, periphyton mats and microbialites may form in photic regions.
 This dataset was used to create a map of CaCO3-depositing aquatic
 ecosystems, with colors indicating where phosphorus co-precipitation
 studies have occurred. Site information available in the supplemental
 materials; further information on tufa sites in Europe is available
 through the Natura 2000 network.
description: The site names were collected from a literature review of studies
 on calcium carbonate in inland waters and supplemented with known sites
 based on personal observation. Site locations were derived directly from
 the published location whenever possible. If not, the latitude and
 longitude were determined using Google Earth.
description: # Data from: Calcium carbonate and phosphorus interactions in inland
 waters
 [https://doi.org/10.5061/dryad.5qfttdzgr](https://doi.org/10.5061/dryad.5qfttdzgr) ## Description of the data and file structure Latitude and longitude of CaCO~3~-depositing aquatic ecosystems in inland waters. ### Files and variables #### File: Supp_Material_Distribution_of_inland_water_CaCO3.xlsx **Description:** The file Supp_Material_Distribution_of_inland_water_CaCO3.xlsx contains three tabs with metadata, site information, and a comprehensive list of tufa sites in the United Kingdom. ##### Variables | **Sheet\_Data Column** | **Entry** | **Value** | **Unit** | **Explanation** | | :----------------------- | :------------------- | :---------- | :--------------------------------------------------------- | :---------------------------------------------------------------------------------------------------------------------------------------------------------------- | | A | SiteName | character | text string | Site Name | | B | Lat | numeric | decimal degrees | Latitude | | C | Long | numeric | decimal degrees | Longitude | | D | SiteType | categorical | Aquatic ecosystem type | coast, estuary, lake, river, sea, spring, stream, wetland | | E | CaCO3 | categorical | Type(s) of calcium carbonate in ecosystem | biofilm, chalk, hydrothermal, ice, macrophytes, marl, microbialite, oncolites, sediment, travertine, tufa, tufa/travertine, whitings | | F | P\_coprecip\_studies | categorical | Has there been a study of phosphorus coprecipitation here? | Yes, No | | G | Ref | character | text string | Reference | | | | | | | | **Sheet\_1.TUFA Column** | **Entry** | **Value** | **Unit** | **Explanation** | | A | Name | character | text string | Site Name | | B | Country | character | text string | Country | | C | Easting | numeric | unitless | distance eastward | | D | Northing | numeric | unitless | distance northward | | E | Lat  | numeric | decimal degrees | Latitude | | F | Long | numeric | decimal degrees | Longitude | | G | Site Type | categorical | Aquatic ecosystem type | Cascade, Cliff\_seepage, Coastal , Lake, Pond, Spring, Stream, Stream , Tidal Dam, Tufa\_mire\_, Wetland, Woodland, Woodland\_and\_springs, Woodland\_and\_stream | | H | CaCO3 | categorical | Type(s) of calcium carbonate in ecosystem | tufa | | I | P\_coprecip\_studies | categorical | Has there been a study of phosphorus coprecipitation here? | Yes, No, Unknown | | J | Status | categorical | text string | Active | | K | Data\_Source | character | text string | Reference | ## Access information Other publicly accessible locations of the data: * Corman, J.R. 2025. Calcium carbonate and phosphorus interactions in inland waters. *Limnology & Oceanography: Letters* 10(2): 158-178, doi.org/10.1002/lol2.10452 Data was derived from the following sources: * See citation list within file.