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Josephine Brown1

Lecturer, University of Melbourne
Dr Josephine Brown's research interests include past and future tropical climate variability and change, with a focus on monsoons, El Nino-Southern Oscillation and tropical rainfall. She uses global climate models to investigate changes in climate over a range of time scales, including the period since the Last Glacial Maximum and past analogues of a future warmer climate such as the Pliocene, as well as comparing palaeoclimate simulations with future climate projections. She completed her PhD in 2004 at the University of Melbourne and was a postdoctoral research fellow at the University of Reading, UK, from 2004-2006, and then at Monash University from 2006-2009. From 2009-2019 she was a research scientist at the Bureau of Meteorology, contributing to the development of climate projections for Australia and Pacific Island nations. In March 2019 she joined the University of Melbourne as a lecturer in palaeoclimate modelling.

Ice ages were not as dry as we thought, according to surprising new Australian cave study

Feb 08, 2024 12:27 pm UTC| Nature

During ice ages, dry, frozen terrain extended over much of northern Europe, Asia and North America. Many plants and animals retreated from these desolate, harsh landscapes and sought refuge in pockets of more hospitable...

Climate Change Series

What happens after net zero? The impacts will play out for decades, with poorest countries still feeling the heat

Dec 05, 2023 05:35 am UTC| Insights & Views Nature

Humanitys emissions of greenhouse gases have caused rapid global warming at a rate unprecedented in at least the past 2,000 years. Rapid global warming has been accompanied by increases in the frequency and intensity of...

Why drought-busting rain depends on the tropical oceans

Feb 25, 2020 12:28 pm UTC| Nature

Recent helpful rains dampened fire grounds and gave many farmers a reason to cheer. But much of southeast Australia remains in severe drought. Australia is no stranger to drought, but the current one stands out when...

Economy

Asian Stocks Mixed Ahead of Trump-Xi Meeting

Asian stock markets traded mixed on Wednesday as investors remained cautious ahead of a closely watched meeting between U.S. President Donald Trump and Chinese President Xi Jinping. U.S. stock futures were also largely...

Asian Currencies Muted as Dollar Firms Ahead of Trump-Xi Summit

Most Asian currencies traded in narrow ranges on Wednesday as a firmer U.S. dollar and caution ahead of the Trump-Xi summit offset optimism stemming from falling oil prices. Regional trading volumes were subdued due to a...

Oil Prices Extend Losses as U.S.-Iran Talks Ease Supply Fears

Oil prices extended their decline for a sixth consecutive session on Wednesday as signs of diplomatic progress between the United States and Iran eased concerns over Middle East supply disruptions. Saudi Arabias efforts to...

Gold Prices Rise as Oil Slide Eases Fed Rate Hike Fears

Gold prices moved higher on Wednesday as a steep decline in oil prices eased inflation concerns and reduced expectations for additional interest rate increases from the U.S. Federal Reserve. Renewed signs of possible...

RBA Says ASX Still Falls Short on Governance and Risk Controls

The Reserve Bank of Australia said ASXs clearing and settlement facilities still fall short of regulatory expectations in several key areas, despite improvements made by the exchange operator over the past year. In its...

Politics

China Tightens Fentanyl Rules Ahead of Trump-Xi Summit

China has introduced new guidelines for handling criminal cases involving fentanyl-related substances, strengthening its legal framework for combating synthetic opioid crimes ahead of a high-profile meeting between Chinese...

Taiwan Vows to Advance US Arms Sales Ahead of Trump-Xi Meeting

Taiwan will maintain close communication with the United States to ensure planned arms sales move forward, a defence ministry official said Wednesday, as US President Donald Trump prepares to meet Chinese President Xi...

Macron Challenges Trump’s Gaza Peace Claims at UN

French President Emmanuel Macron challenged U.S. President Donald Trumps claims of achieving peace in Gaza on Tuesday, arguing that humanitarian access to the enclave had not improved despite the proclaimed agreement....

Russian Strikes Kill Eight Across Ukraine as Energy Sites Hit

Russian strikes across Ukraine killed eight people and damaged industrial and energy infrastructure on Tuesday as President Volodymyr Zelenskiy met U.S. President Donald Trump on the sidelines of the United Nations General...

Marco Rubio to Meet Russia’s Lavrov in New York

U.S. Secretary of State Marco Rubio is scheduled to meet Russian Foreign Minister Sergey Lavrov in New York City on Wednesday morning, according to the U.S. State Department, as diplomatic attention remains focused on the...

Science

Blue Origin New Glenn Explosion Could Delay Launch Operations Until 2028

Blue Origin is facing a significant setback after a dramatic explosion involving its New Glenn rocket severely damaged a launch pad at Cape Canaveral, Florida. According to NASA Administrator Jared Isaacman, repairs to the...

Blue Origin New Glenn Rocket Explodes During Launch Pad Test, Delaying Space Ambitions

Blue Origin suffered a major setback after its uncrewed New Glenn rocket exploded during a launch pad test in Florida on Thursday, raising new challenges for Jeff Bezos space company as it competes with Elon Musks SpaceX...

SpaceX Delays Starship V3 Launch Ahead of Potential Record IPO

SpaceX on Thursday postponed the highly anticipated launch of its 12th Starship rocket test from Texas after technical issues interrupted the final countdown. The company now plans to attempt the Starship V3 launch again...

Trump Administration Releases New UFO Files and Apollo Mission Records

The U.S. Defense Department has released dozens of previously classified UFO-related files following an order from President Donald Trump, sparking renewed debate over unidentified anomalous phenomena (UAP) and government...

China vs. NASA: The New Moon Race and What's at Stake by 2030

The space race is back and this time, its a direct competition between the United States and China for dominance on the lunar surface. NASAs Artemis II mission recently made history when four astronauts flew farther into...

Technology

Scott Bessent Eyed as Trump’s New AI Czar

U.S. Treasury Secretary Scott Bessent is under consideration to become President Donald Trumps new artificial intelligence czar as Washington intensifies its focus on AI development, safety and national security. A source...

China Reviews Broadcom Switch Use in State Data Centres

China is reviewing the use of Broadcom switches in state-backed data centres as Beijing intensifies efforts to reduce dependence on foreign technology and promote domestic semiconductor and networking equipment suppliers,...

US Northeast Airports Resume Operations After Telecom Outage Disrupts Thousands of Flights

US airport operations across the Northeast began returning to normal on Monday after crews repaired telecommunications problems that had disrupted air traffic and contributed to thousands of flight delays and cancellations...

Burnham Eyes UK Leadership Role in AI Ahead of Trump Meeting

British Prime Minister Andy Burnham will push for the UK to take a global leadership role in artificial intelligence on Tuesday as he makes his first major appearance on the international diplomatic stage at the United...

OpenAI Urges US-Led Global Standards for Frontier AI

OpenAI is calling for the United States to lead an international effort to establish technical standards for advanced artificial intelligence, as concerns grow over increasingly capable AI systems and the prospect of...