Fresh Thinking about Mars
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Characteristics of Fresh Martian Craters as a Function of Diameter: Comparison with the Moon and Mercury
Abstr. act. Martian craters defined as fresh on a more comprehensive analysis of the morphologies the basis of morphologic parameters have been anof fresh craters on Mars and to compare the charalyzed for the presence and abundance of various acteristics and size distribution of morphologic morphologic features as a function of size. features of martian craters with those on the Bowl-shaped cra...
متن کاملExcess ejecta craters record episodic ice-rich layers at middle latitudes on Mars
[1] We infer Amazonian climate change events from the presence of fresh craters with excess volumes of ejecta. Using the Mars Orbiter Laser Altimeter data, the geometrical properties of 572 fresh impact craters with rim diameters between 2.5 and 102 km were compiled in lowland and highland plains. The data reveal a class of fresh craters with anomalously high ejecta volumes preferentially locat...
متن کاملSpatial relationships between patterned ground and ground ice detected by the Neutron Spectrometer on Mars
[1] Patterned grounds, like polygonal features, are the signature of climatic effects in periglacial regions on Earth. Identifying similar features on Mars is important for an understanding of the past Martian climate. In this study we mapped fresh patterned landforms from the systematic analysis of Mars Orbiter Camera high-resolution images. We show that most of them are distributed at latitud...
متن کاملAccuracy Assessment of Gully Erosion Susceptibility Map Using SVM and MARS Methods in Shazand Watershed
Gully erosion found to be typical erosion form in semiarid and arid landscape. Because of the importance of this phenomenon, various studies have been conducted around the world to assess gully erosion and its effects. The purpose of this research was accuracy assessment of gully erosion susceptibility maps using SVM and MARS models in the Shazand watershed. Acquiring information about the gull...
متن کاملCritical Thinking and the Evidence-Based Practice of Sport Psychology
The primary purpose of this article is to expand the discussion about the role of science, clinical thinking, the state of the discipline, and the manner in which evidence-based practice may aid in the development of the field of sport psychology. Rejecting pseudoscientific principles and embracing sound scientific standards of research and practice will result in an increasingly fresh and vibr...
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تاریخ انتشار 2016