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On the Influence of Electrical Discharge Upon Acetylene Flame; Standard Cells; Evaporation Upon the Iowa River (Classic Reprint) - Couverture souple

Lorenz, C. F.

 
9781333788551: On the Influence of Electrical Discharge Upon Acetylene Flame; Standard Cells; Evaporation Upon the Iowa River (Classic Reprint)

Synopsis

How scientists measure evaporation from river and land surfaces


This book presents a practical study that places two evaporation pans at Iowa City: one floated in the Iowa River and one sunk on the nearby bank. It explains how readings were taken, what tools were used, and how temperature and humidity data were incorporated to interpret evaporation patterns. The goal is to compare how different surroundings affect daily water loss from open water surfaces.


Readers will encounter a straightforward method showing how small amounts of water are tracked over time, how precipitation is accounted for, and how weather conditions influence evaporation. The work also notes the limits of a short observation period and suggests what a longer series could reveal about patterns of evaporation.



  • Two-pan setup: a river pan and a land pan, each exposed to the elements

  • Practical measurement technique using a metal point and cups to quantify evaporation

  • How temperature, humidity, wind, and rainfall relate to evaporation results

  • Discussion of data collection, limitations, and the value of longer observations


Ideal for readers curious about early 20th‑century hydrology and field methods for studying evaporation.

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