Introductory. 1. Symptoms of Cholera. 2. Sporadic Cholera. 3. Epidemic Cholera. 4. In Relation to Age. 5. In Relation to Sex. 6. The Development of Epidemics. 7. Diffusion of Cholera. 8. In Relation to Rivers. 9. Potable Water. 10. In Relation to " Poison " and " Germs". 11. Atmospheric Conditions. 12. Prevailing Winds and Storms. 13. In Relation to Season. 14. In Relation to Natives and Foreig...

Introduction Mineral dust aerosol plays a critical role in atmospheric chemistry by providing reactive surfaces for trace atmospheric gases. 1-3 Mineral dust particles undergo heterogeneous reactions with nitrogen oxides in the atmosphere to yield adsorbed nitrate, nitrate coatings or deliquesced nitrate layers. 1,4,5 Reactions that can alter NOx (NOx = NO + NO2) concentrations are of great imp...

S Su um mm ma ar ry y The comparison of sixteen Austronesian languages, regarding the absolute coordinates they use in space reference, makes it possible to propose a historical hypothesis regarding the geocentric system of Proto Oceanic: on land, one up-down axis defined by the declivity of the ground; at sea, a second up-down axis motivated by the prevailing trade winds. After reconstructing ...

[1] When upwelling favorable winds weaken or relax in coastal upwelling systems, prevailing equatorward currents often weaken and then reverse to form propagating poleward currents. Here the statistics of wind relaxations and poleward flow events along the south central California coast are derived using meteorological and oceanographic times series during 2000–2006. Over the 7-year record, 169...

The backshore zone is transitional environment strongly affected by ocean, air and sand movements. On dissipative beaches, the formation of ephemeral dunes over the backshore zone plays significant contribution in the beach morphodynamics and sediment budget. The aim of this work is to describe a novel method to identify ephemeral dunes in the backshore region and to discuss their morphodynamic...

This paper investigates the role of neutral winds in the generation of relatively large polarization electric fields across patchy sporadic-E layers, which then map upward to the F region, to create conditions for medium-scale spreadF . The calculations are based on an analytical model that uses the current continuity equation and field-aligned current closures to the F region in order to descr...

in desert areas high temperature and low precipitation limit growth and development of plants. under this circumstances wind becomes the most important erosion and transportation factor in these areas. there are four great sand masses in the central part of dasht-e-kavir namely rig-e-jen, rig-e-sargardan (shotori or halvan), rig-e-kharturan, and rig-e- chah-e-jam. these great sandy masses show ...