Free Newsletters - Space - Defense - Environment - Energy - Solar - Nuclear
..
. Earth Science News .




FIRE STORM
Fires in Australia
by Staff Writers
Greenbelt MD (SPX) Apr 19, 2013


The intent of Ecofire is to return the landscape to a burning regime that mirrors what happened in the past. For tens of thousands of years, aboriginal people in the region engaged in a practice known as "fire-stick farming."

In the Kimberley region of Western Australia, there are two distinct seasons: a wet season between December and March and a dry season between May and October. Reversals in the direction of prevailing winds are the driving force behind the seasonal shift.

If there are going to be bush fires in the area's tropical savannas, the best time is early in the dry season, when vegetation has dried enough to burn but is still wet enough that fires won't grow out of control.

In April and May, fires usually burn themselves out within a few days. The worst time for fire is late in the dry season, when vegetation has dried to tinder and blazes tend to be uncontrollable, intense, and dangerous.

The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA's Aqua satellite acquired this image of dozens of managed fires in Kimberley on April 10, 2013. All of the fires were south and west of the Isdell River; some were burning in and near Windjana Gorge National Park, a popular tourist destination.

Although smoke plumes are visible, that's not how MODIS detected the fires. Rather, the instrument sensed thermal infrared energy radiating from the land surface. The heat is invisible in images like this, but the locations where MODIS detected fire are labeled with red outlines.

These prescribed burns are part of a program managed by the Australian government and by conservation groups. The Ecofire effort, ongoing since 2007, has the goal of reducing destructive late-season fires by increasing the number of early-season fires.

The early fires tend to burn in a patchwork pattern that makes it easier for vegetation to reestablish itself afterwards. Late-season fires, in contrast, often sweep across the landscape and leave expansive burn scars that alter ecosystems for years.

The intent of Ecofire is to return the landscape to a burning regime that mirrors what happened in the past. For tens of thousands of years, aboriginal people in the region engaged in a practice known as "fire-stick farming."

People intentionally lit fires in the early-season to encourage the growth of grasslands and to make it easier to locate and track animals for hunting. As traditional lifestyles have been replaced by modern ways of living, the number of early season fires has decreased and the number of destructive, later fires has increased.

.


Related Links
Fire at NASA
Forest and Wild Fires - News, Science and Technology






Comment on this article via your Facebook, Yahoo, AOL, Hotmail login.

Share this article via these popular social media networks
del.icio.usdel.icio.us DiggDigg RedditReddit GoogleGoogle




Memory Foam Mattress Review
Newsletters :: SpaceDaily :: SpaceWar :: TerraDaily :: Energy Daily
XML Feeds :: Space News :: Earth News :: War News :: Solar Energy News





FIRE STORM
Many feared dead in US fertilizer plant blast
West, Texas (AFP) April 18, 2013
A Texas fertilizer factory exploded in a huge fireball Wednesday, flattening nearby homes and perhaps killing as many as several dozen people, with one official likening the blast to a "nuclear bomb." Fears were mounting in the small town of West, outside Waco, that a second fertilizer tank could erupt in flames, stoking anxiety in a nation already on edge after the nerve-jangling Boston mar ... read more


FIRE STORM
Hong Kong searches for 6 missing crew after boat crash

Texas fertilizer plant blast 'kills up to 15'

Fukushima leaking radioactive water

IAEA begins fresh probe into Japan's Fukushima

FIRE STORM
Softening steel problem expands computer model applications

New material gets itself into shape

For the very first time, two spacecraft will fly in formation with millimeter precision

High pressure gold nanocrystal structure revealed

FIRE STORM
New technique measures evaporation globally

Study reveals seasonal patterns of tropical rainfall changes from global warming

Liverpool Bay sediment discovery could save millions

Mass sea lion strandings baffle California

FIRE STORM
An SwRI-led remote-sensing study quantifies permafrost degradation in Arctic Alaskan wetlands

Prince Harry to trek to South Pole with wounded troops

Pleas for US to name first ambassador to Arctic

Fossils provide insight into origin of unique Antarctic ecosystem

FIRE STORM
UBC researchers weed out ineffective biocontrol agents

Life is sweet for beekepers in Greece, but for how long?

Virginia Tech research team creates potential food source from non-food plants

Egypt faces food crisis over wheat shortage

FIRE STORM
Kenya floods claims 63 lives in past month: government

Pakistan quake victims clamour for aid

More than 12,000 affected by quake in Pakistan: official

Research aims to settle debate over origin of Yellowstone volcano

FIRE STORM
Regional bloc to send 2,000 troops to stabilise C.Africa

Radical Nigeria cleric rejects place on amnesty panel

Zimbabwe deputy PM tells Africa to be tough on China

Nigeria moves closer to amnesty offer for Islamists

FIRE STORM
Fascinating rhythm: The brain's 'slow waves'

New Research Reveals How Human Ancestor Walked, Chewed, and Moved

Pottery reveals Ice Age hunter-gatherers' taste for fish

Google adds 'digital estate planning' to its services




The content herein, unless otherwise known to be public domain, are Copyright 1995-2014 - Space Media Network. AFP, UPI and IANS news wire stories are copyright Agence France-Presse, United Press International and Indo-Asia News Service. ESA Portal Reports are copyright European Space Agency. All NASA sourced material is public domain. Additional copyrights may apply in whole or part to other bona fide parties. Advertising does not imply endorsement,agreement or approval of any opinions, statements or information provided by Space Media Network on any Web page published or hosted by Space Media Network. Privacy Statement