Greener Pastures in Northern Queensland, Australia #2764


#2764 Greener Pastures in Northern Queensland, Australia by JVPD
After a 19 month rainfall deficiency, heavy rainfall during January 2004 brought drought relief to much of northern Queensland. Local graziers hope for good long-term responses in pasture growth from the heavy rains. These images and maps from the Multi-angle Imaging SpectroRadiometer (MISR) portray part of Australia's Mitchell Grasslands bioregion before summer rainfall, on October 18, 2003 (left) and afterwards, on February 7, 2004 (right). The top pair of images are natural color views from MISR's nadir camera. The green areas in the post-rainfall image highlight the growth of vegetation. The middle panels show the reflectivity of the surface over the photosynthetically active region (PAR) of visible light (400 - 700 nm), expressed as a directional-hemispherical reflectance (DHR-PAR), or albedo. That portion of the radiation that is not reflected back to the atmosphere or space is absorbed by either the vegetation or the soil. The fraction of PAR radiation absorbed by green vegetation, known as FPAR, is shown in the bottom panels. FPAR is one of the quantities that establishes the photosynthetic and carbon uptake efficiency of live vegetation. MISR's FPAR product makes use of aerosol retrievals to correct for atmospheric scattering and absorption effects, and uses plant canopy structural models to determine the partitioning of solar radiation. Both of these aspects are facilitated by the multiangular nature of the MISR measurements.

Photo Credit: NASA/GSFC/LaRC/JPL, MISR Team [0003-0701-0101-4931] by 0003

Similar Images:

#3573 Great Wall of China From Space by JVPD
#19245 Photo of the Artificial Palm Island, Palm Jumeirah, on the Persian Gulf in Dubai by JVPD
#3253 Lost Hills by JVPD
#25455 Stock Photo of a Vetical Cropped Image of the State of Florida as Seen From Space by JVPD
#2898 Pulau Kimaam, West Papua by JVPD
#26949 Stock Photography of a Map of the Contiguous United States of America and the Great Lakes by JVPD
#35500 Geography Stock Photo Of The Strait Of Magellan, Chile As Seen From Space by JVPD
#2882 Bosporus Strait and Istanbul, Turkey by JVPD
#2685 Picture of World Globes - Three Views of Earth by JVPD
#3343 Cape Cod From Space by JVPD
#3619 Cape Cod From Space by JVPD
#3298 Mexicali, Calexico by JVPD
#3323 Liquefaction Effects, Bhuj Earthquake by JVPD
#3239 Republic of Fiji by JVPD
#3626 Boston From Space by JVPD
More Geography Photos

Keywords

australia, australias mitchell grasslands bioregion, earth science, geography, jpl, mitchell grasslands, mitchell grasslands bioregion, nasa, northern queensland, queensland, rain, rainfall