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An algae bloom is a rapid increase of algae in water, usually caused by excess nutrients (like nitrogen and phosphorus from fertilizers, sewage, or runoff), warm temperatures, and sunlight. These blooms can turn the water green, red, or brown, and may deplete oxygen, harm aquatic life, and sometimes produce toxins that are dangerous to humans and animals.
Chlorophyll a is often measured in water studies because it is a good indicator of algae abundance. Since almost all algae contain chlorophyll a, its concentration tells scientists how much algae is present in a lake, river, or ocean. High levels usually suggest nutrient pollution and possible risk of algal blooms.
Chlorophyll-a Concentration Explorer
Keep in mind: Cloudy conditions can prevent satellite images from being captured.${name}
More info about this water body.- Min Chlorophyll a: ${min} mg/m³
- Max Chlorophyll a: ${max} mg/m³
- Mean Chlorophyll a: ${mean} mg/m³
- Standard Deviation: ${st_dev} mg/m³
- Data Interval: ${from} to ${to}
Latest Posts
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The case of a Varna Bay and its water quality
Published:Large coastal cities frequently face challenges related to water quality, and Varna is no exception. Using the WaterWarden platform, we were able to detect clear signs of water contamination, including elevated chlorophyll and suspended matter levels. These indicators strongly suggest illegal sewage discharge into the sea—an issue made highly visible through the satellite-derived data and visualization tools provided by the platform.