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A Novel Approach for Measuring the Gulf of Mexico Dead Zone: Toward Better Temporal and Spatial Estimates for Management Applications

Abstract.

"Nearly every summer, a large hypoxic zone forms in the northern Gulf of Mexico. Research on the causes and consequences of hypoxia requires reliable estimates of hypoxic extent, which can vary at submonthly time scales due to hydro-meteorological variability. Here, we use an innovative space-time geostatistical model and data collected by multiple research organizations to estimate bottom-water dissolved oxygen (BWDO) concentrations and hypoxic area across summers from 1985 to 2016. [...]"

Source: Environmental Science and Technology 
Authors: V. Rohith Reddy Matli et al.
DOI: 10.1021/acs.est.8b03474

Read the full article here.


Chinese firm makes breakthrough in ocean technology

"A Chinese company is pioneering the nation's first deep-sea thermal-power technology to drive drifting underwater vehicles for an international ocean observation program, reports said Thursday.

Involving 30 countries and regions, the Argo program is a global array of 3,800 free-drifting automated vehicles dubbed "floats" that measure the temperature and salinity of the upper 2,000 meters of the ocean, according to the program website.

The new thermal-technology powered float, manufactured by the 710 Institute affiliated to the China Shipbuilding Industry Corporation and the School of Meteorologic Oceanography of National University of Defense Technology, offers a kind of perpetual motion to ocean observations, Science and Technology Daily reported on Thursday. [...]"

Source: Asia Pacific Daily

Read the full article here.


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