# Super El Nino Transforms Ocean Color via Plankton Decline Rising sea temperatures disrupt nutrient cycles, turning vibrant green waters into barren blue. - **Source:** [Science & tech Articles | Mail Online](https://www.dailymail.com?ns_mchannel=rss&ns_campaign=1490&ito=1490) - **Published:** 2026-10-19 - **Topic:** [Business](https://brifing.si/c/business) - **Original article:** - **On Brifing:** https://brifing.si/s/3d1bab51-ed19-442e-8466-2f6e55050fc0 ## Satellite Observations of Color NASA satellite imagery reveals the equatorial Pacific has turned measurably bluer compared to 2025. This shift signifies a dramatic reduction in photosynthesizing plankton populations. While healthy oceans typically display a lush emerald green hue, the current warming trend has replaced this biological richness with a deep, lifeless blue across vast oceanic regions. ## Mechanism of Nutrient Depletion El Nino events disrupt the essential ocean currents that normally transport cold, nutrient-rich water to the surface. Without these nutrients, phytoplankton cannot thrive, leading to widespread starvation. This biological collapse is the primary driver behind the observed color change, as the absence of these tiny organisms leaves the water clear and blue. ## Record-Breaking Temperature Anomalies Sea surface temperatures in the eastern Pacific are currently 1.7°C above the long-term average. The National Oceanic and Atmospheric Administration predicts an 83 percent probability that this cycle will be the strongest El Nino since records began in 1950. This warm water mass now covers millions of square miles across the Pacific. ## PACE Satellite Technological Insight The PACE satellite, launched in 2024, provides unprecedented hyperspectral data by measuring wavelengths in visible, ultraviolet, and infrared spectrums. Dr. Matthew Kehrli notes that observing these results in real-time confirms theoretical expectations regarding marine ecosystem responses. This technology allows researchers to visualize the multitude of colors the ocean exhibits during climate shifts. ## Kelvin Waves and Heat Transport Kelvin Waves act as underwater motorways, transporting heat from the western to the eastern Pacific. These slow-moving pulses of water were detected by sea-level satellites as early as January. By April, these waves reached the eastern Pacific, initiating the warming process that currently disrupts global weather patterns and local marine feeding grounds. ## Sea Level and Wind Disruption El Nino forces trade winds to weaken or reverse, preventing the usual westward transport of warm water. Consequently, sea levels have risen by up to 1.3 feet near South America and California, while dropping by eight inches near Indonesia. These physical changes reflect the massive redistribution of heat occurring across the entire Pacific basin. ## Cascading Marine Ecosystem Impacts The decline in phytoplankton triggers cascading effects throughout the entire marine food web. As primary food sources vanish, marine animals are forced to relocate to new feeding grounds in search of sustenance. This migration disrupts established biological patterns and threatens the stability of species that rely on nutrient-rich upwelling zones for survival. ## Broader Climate Cycle Implications As part of the El Nino-Southern Oscillation, this phenomenon occurs irregularly every two to seven years. Scientists anticipate that the current cycle will have catastrophic effects throughout the remainder of 2027. Understanding these ocean-atmosphere interactions remains critical for predicting global climate disruptions and managing the long-term health of our planet's marine ecosystems. ## Sources covering this story - https://www.dailymail.com/sciencetech/article-16219877/super-El-Nino-changing-colour-OCEAN.html?ns_mchannel=rss&ns_campaign=1490&ito=1490 — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._