Measuring subsurface water distribution using the Dynamic Albedo of Neutrons instrument on Mars Science Laboratory

被引：9
|
作者：
Busch, Michael W. [1 ]
Aharonson, Oded [1 ]
机构：
[1] CALTECH, Div Geol & Planetary Sci, Pasadena, CA 91125 USA
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2008年 / 592卷 / 03期
基金：
美国国家航空航天局;
关键词：
Mars Science Laboratory; Mars water; neutron scattering;
D O I：
10.1016/j.nima.2008.04.044
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The Dynamic Albedo of Neutrons (DAN) instrument, a neutron scattering instrument currently being constructed by lKI, is a component of the science payload of the 2009 Mars Science Laboratory (MSL) mission. Based on simulations using the Monte-Carlo N-Particle Extended (MCNPX) particle physics code, DAN is able to measure bulk water content and to detect variations in water concentration up to similar to 50 cm beneath the ground surface, assuming perfect detector performance. Data from DAN, combined with measurements from other instruments on MSL, allow derivation of profiles of water content to a depth of similar to 15 cm. (c) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：393 / 399
页数：7
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