What caused the Pacific blob?

The Blob is caused by a combination of warmer air temperatures (that warms the ocean’s surface), changes in the patterns of wind speed, direction and duration (wind helps mix the ocean and by bringing cool water from depth) and the persistent mass of warmer water along the equator known as ENSO.

Does the hot blob still exist in the Pacific Ocean?

A NOAA scientist noted in September 2014 that, based on ocean temperature records, the North Pacific Ocean had not previously experienced temperatures so warm since climatologists began taking measurements. In 2015 the atmospheric ridge causing the Blob finally disappeared. The Blob vanished shortly after in 2016.

What is the heat blob in the Pacific Ocean doing to climate?

The “blob” of hotter ocean water that killed sea lions and other marine life in 2014 and 2015 may become permanent. Six years ago, a huge part of the Pacific Ocean near North America quickly warmed, reaching temperatures more than 5 degrees Fahrenheit above normal.

What causes unusually warm waters in the Pacific Ocean?

Around the world, shifting climate and ocean circulation patterns are causing huge patches of unusually warm water to become more common, researchers have found.

What causes ocean heat waves?

The main source of ocean heat is sunlight. Additionally, clouds, water vapor, and greenhouse gases emit heat that they have absorbed, and some of that heat energy enters the ocean. Waves, tides, and currents constantly mix the ocean, moving heat from warmer to cooler latitudes and to deeper levels.

Where is the warmest water in the Pacific ocean?

Southern California Coast The warmest ocean water of the year in California lies off Newport Beach and Santa Catalina Island in August when temperatures average 70 degrees F (21 °C).

What are some of the consequences of the Pacific blob?

As the blob spread, unusually warm waters triggered extended harmful algae blooms. Higher ocean temperatures also increased warm water algae species, which were less nutritious for marine life. By the end of 2015, both blob and blooms had shut down much of the Pacific fishing industry and upended the marine food chain.

Is the blob caused by climate change?

“We know that the blob is natural, but it is invigorated by climate change…. why it (has lasted) so long and why it is so intense is because of climate change,” Garreaud said. The scientists said more research is needed to determine exactly how much of a role climate change is playing in this phenomenon.

What are ocean heat waves?

Marine heatwaves (MHW) are prolonged extreme oceanic warm water events that can have devastating impacts on marine ecosystems. Documented impacts of marine heatwaves include large scale shifts in location in fish stocks, collapses of kelp forests, coral bleaching, and unprecedented die-offs of sea birds.

Is the South Pacific Blob warming the Pacific Ocean?

The 2019-2020 South Pacific Blob not only impacted the proximal seawater in the Pacific Ocean east of New Zealand but also impact the channel region between Cape Horn and Antarctica Peninsula. Such warming may account for a significant proportion of missing heat in oceans claimed by proponents of anthropogenic global warming.

What is the Pacific Blob?

This map shows anomalously high sea-surface temperatures in the Pacific Ocean in May 2015 as compared to the 2002–2012 average. The recent warm-water phenomenon is known as “the Blob.” Please be respectful of copyright. Unauthorized use is prohibited.

How did the California blob affect sea life?

This revealed that the winds on the California coast had weakened and stopped moving enough water to allow the upwelling cold water to break through the unusually warm water at the surface. Findings like these should help biologists better understand the Blob’s impact on sea life.

What are some examples of ocean blobs in the world?

Recent examples include the 2013-2016 North Pacific Blob 2,3and the 2018-2019 Southwest Indian Ocean Blob 4.