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Science News by AGU

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Indian Ocean

The M/V Fugro Equator searches the seafloor for MH370
Posted inNews

Search for MH370 Revealed Ocean Crust Waves

by Kimberly M. S. Cartier 8 June 202029 September 2021

Efforts to recover the missing airplane produced high-resolution bathymetry of the southern Indian Ocean that raises new ideas about how ocean crust forms.

Rift in the seafloor
Posted inNews

A Plate Boundary Emerges Between India and Australia

by Katherine Kornei 18 May 202016 March 2022

Bathymetric and seismic data point to a new plate boundary in a fracture-riddled zone beneath the northern Indian Ocean.

Graph showing temperatures in four different depth layers over time
Posted inEditors' Highlights

CAT Pictures of Internal Solitary Waves in Indonesian Strait

by J. Sprintall 7 October 201910 February 2022

Huge and rapid subsurface temperature changes associated with propagating internal solitary waves were observed from a moored coastal acoustic tomography (CAT) system in Lombok Strait in Indonesia.

Homes built at sea level on Palm Jumeirah island, Dubai
Posted inNews

Meteotsunami Spotted for the First Time in the Persian Gulf

by Katherine Kornei 31 July 201917 May 2022

The Persian Gulf, a region with high-end resorts and oil-related infrastructure dotting its shorelines, was hit in 2017 by weather-induced waves that rolled roughly a kilometer inland.

A blue whale.
Posted inResearch Spotlights

Seasonal and Annual Changes in Pitch in Blue Whale Calls

by Terri Cook 7 June 201915 November 2021

Six years of acoustic recordings detect seasonal shifts in blue whale vocalizations that correlate with the presence of icebergs, a primary source of ambient ocean noise in the southern Indian Ocean.

The Maldives as seen from a drone.
Posted inResearch Spotlights

Sea Level Rise May Reactivate Growth of Some Reef Islands

by Sarah Stanley 4 June 201911 February 2022

Reconstruction of reef island formation in the Maldives suggests the possibility that not all islands will shrink as climate change progresses.

A research vessel traverses Sydney Harbor with the Sydney Opera House in the background.
Posted inScience Updates

Australia–New Zealand Plan for Future Scientific Ocean Drilling

by M. F. Coffin, J. Parr and L. Armand 29 May 2019

Australian–New Zealand IODP Consortium Ocean Planet Workshop; Canberra, Australia, 14–16 April 2019

A large “dent” in Earth’s geoid in the Indian Ocean indicates that less mass is concentrated here than is typical.
Posted inScience Updates

Seismologists Search for the Indian Ocean’s “Missing Mass”

by L. S. Ningthoujam, S. S. Negi and D. K. Pandey 18 April 201928 October 2021

An Indian scientific team set out to sea last year to find clues to the source of an unusually weak gravitational potential in the middle of the Indian Ocean.

An aerial view of the Andaman Islands, India
Posted inScience Updates

Investigating the Northern Indian Ocean’s Puzzling Geodynamics

by D. Pandey, S. Clemens and M. Edmonds 28 December 201816 March 2022

International Ocean Discovery Program (IODP) Proposal Nurturing Workshop on Indian Ocean; Goa, India, 17–18 September 2018

Posted inEditors' Highlights

Diurnal Variation of Rainfall over the Equator Revisited

by M. Zhang 26 October 20188 March 2022

Radar data show an afternoon precipitation maximum in the equatorial Indian Ocean in addition to the nocturnal maximum; this occurs under light surface winds and suppressed large-scale convection.

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“Probabilistic Description of Streamflow and Active Length Regimes in Rivers”
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