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Related Concept Videos

Quality of Water01:19

Quality of Water

474
In concrete preparation, the quality of water is paramount as it affects the strength and durability of the concrete. Potable water is usually preferred; however, it must not have excessive sodium or potassium to prevent compromising the concrete's integrity. Water quality is typically evaluated based on impurities such as dissolved solids, chlorides, and sulfates, and its pH value is ideally between 6 and 8. Even slightly acidic natural water may be acceptable unless it contains harmful...
474
Testing Water Quality01:14

Testing Water Quality

328
When the quality of water for concrete preparation is uncertain, its impact on the setting time of cement and compressive strength of mortar is assessed by comparison with de-ionized or distilled water benchmarks. American Society for Testing and Materials (ASTM) C1602 requires the setting times to be within 90 minutes of the control, British Standard (BS) 3146:1980 allows a 30-minute variance in the initial setting, while British Standards European Norm (BS EN) 1008 specifies initial setting...
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States of Water01:23

States of Water

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Water exists in any one of the three classical states: solid (ice), liquid (water), and gas (steam or water vapor). The state of water depends on i) the intermolecular forces that draw molecules together and ii) the kinetic energy that leads to movements that pull them apart.
Water freezes when the intermolecular forces are greater than the kinetic energy. Unlike most other substances, water is less dense in its solid state than in its liquid state. This is because each water molecule can form...
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Localized inshore warming, acidification, and elevated particulate organic matter across a coupled mangrove, seagrass, and coral reef ecosystem in La Parguera, Puerto Rico.

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Updated: Jan 8, 2026

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Puerto Rico Coral Reef Monitoring Program Water Quality Data from 2023-2025.

Travis A Courtney1, Martha Ricaurte-Chica2, Adiana D Bayo Torres2

  • 1Department of Marine Sciences, University of Puerto Rico, Mayagüez, Mayagüez, Puerto Rico. travis.courtney@upr.edu.

Scientific Data
|December 23, 2025
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Summary
This summary is machine-generated.

This study establishes a vital baseline of coral reef water quality in Puerto Rico, analyzing 15 parameters to understand their impact on reef health. These findings are crucial for developing conservation strategies and improving global monitoring efforts.

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Area of Science:

  • Marine Biology
  • Oceanography
  • Environmental Science

Background:

  • Coral reefs face decline from global and local human impacts.
  • Water quality is a key factor, but systematic monitoring is lacking.
  • Understanding water quality's role is crucial for reef conservation.

Purpose of the Study:

  • Establish a comprehensive baseline of coral reef water quality in Puerto Rico.
  • Analyze spatiotemporal variability of seawater chemistry.
  • Provide data for developing water quality thresholds and improving global monitoring.

Main Methods:

  • Collected 8,032 water quality measurements from 42 Puerto Rico coral reef sites (2023-2025).
  • Measured parameters include temperature, salinity, dissolved oxygen, pH, CO2 chemistry, turbidity, nutrients, and Enterococcus spp.
  • Data covers a wide range of physical, chemical, and biological indicators.

Main Results:

  • Generated a detailed dataset of 15 water quality parameters.
  • Identified key parameters influencing coral reef condition.
  • Established a baseline for future research and management.

Conclusions:

  • The collected data provides a critical foundation for coral reef research and management.
  • This baseline supports the development of water quality thresholds and improved global monitoring.
  • Data aids in understanding and projecting coral reef futures under anthropogenic stress.