| Measurement_Units_Translation Measurements converter for time, length, volume, and weight. Requires JavaScript. |
| Measuring_Low_Concentrations Explains with many examples the question of "What do ppm, ppb, ppt and ppq stand for?" |
| MegaConverter Resource for units, weights, measures, calculators and converters. |
| Metric_4_US A site promoting the metric system which argues why metric is better and English is worse. Provides an English-metric online calculator. |
| Metric_Conversion_Tables Conversion factors and online calculators for metric and imperial units. |
| Metric_Conversion_Tables_to_Imperial_Measurements Standard-to-metric conversion factor tables with definitions, derived units and prefixes. |
| Metric_Conversions Online calculator converts between metric, British, and American units. |
| The_Metric_System Outline of the metric system with emphasis on applications in physics. |
| Metric_System_Formulas Formulas for converting imperial system into metric system. Site in both English and French. |
| MIT_3_091_Units_Converter A tool for engineers and others to convert from almost any set of units to any other. |
| The_Modern_Metric_System Dictionary of metric units explaining the principles and history of the system. |
| National_Weights_and_Measures_Laboratory_(UK) Official imperial-to-metric conversion tables. |
| Ninja_Suit Features online converters for business, consumers, education, science, travel, research and enjoyment purposes. |
| NIST_Metric_Information_and_Conversions Factsheets, regulations and conversion tools. Official site of the United States Metric Program. |
| Online_Conversion Offers conversion tools for length, volume, temperature, astronomical, clothing sizes, computer bytes, cooking measurements, time zones, density, energy, finance, flow rates, force frequency, and some |
| Online_Converters Provide online javascript converters and calculators for converting metric to imperial units and vice-versa. |
| On-Line_Measures_Converter Length, area, mass and weight, volume and capacity, temperature, angles, force, torque, electricals, cloth sizes, and some others. |
| Online_Unit_Converter Personalizable, free, and available in five languages. It converts distance and length, area, capacity and volume, pressure, temperature, and speed. |
| Process_Associates_of_America Features tools for finding engineering conversion factors. |
| Ron\'s_Hard_Conversion_Tools Online unit conversion calculators for volume, distance, weight, and temperature units. Also includes number conversion (decimal, hex, and binary) and a tool to convert characters to or from ASCII co |
| The_Scale_of_Things Illustrated examples of sizes in the metric system, from ters- to pico-. |
| SI_Guide Provides translation of unit and prefix names for the international metric system (SI) into various languages. For some, transliterations are also given. |
| SI_Units Reference information on the International System of Units (SI). |
| Temperature_Converter Converts Fahrenheit to Celsius and vice versa. |
| Temperature_Converter Simple Celsius-Fahrenheit conversions. |
| UK_Metric_Association Pressure group campaigning for the completion of metrication in the UK. History, legislation, and practical help. |
| Unit_Conversion_and_Day_of_the_Week Converts such things as inches to centimetres, gallon to cubic metres or even curie to becquerel |
| Unit_conversion_and_Reference_Tables Features converters for physical constants, SI units, temperature, currency, and temperature. |
| Unit_Conversions Online conversions from physics units to other physics units. Includes a comprehensive set of units with definitions. |
| Unit_Converters Features conversion calculators for atmospheric pressure, volume, distance, weight, velocity, temperature, and force. |
| Units_of_Measurement Conversions and equivalences of the principal units of measure of the SI and Anglo-Saxon systems. |
| World_Wide_Metric Java metric conversion calculator for length, weight, pressure, and volume. |
| WWW_Unit_Converter Converts area, density, energy, force, length, mass, power, pressure, speed, temperature and volume, bits and bytes. |
| Best_Management_Practices_for_Soil_Erosion An online book with introductory information regarding different kinds of soil erosion such as geological erosion and accelerated erosion. |
| Corn,_Soil_Tillage_and_Soil_Erosion Specific information regarding soil management and the benefit of corn when combatting erosion. |
| Demonstration_Erosion_Control_Home The Demonstration Erosion Control (DEC) project investigates the effectiveness of reducing erosion, sedimentation, and flooding. |
| Environmental_and_Economic_Costs_of_Soil_Erosion_and_Conservation_Benefits Excerpts from article in Science magazine, by Pimentel et al . (1995). |
| EPA__Best_Management_Practices_for_Soil_Erosion A computer program which provides information about soil erosion and the severity of erosion. Water erosion is explained and detailed descriptions of management and structural practices to control ero |
| Erosion_processes_and_modelling Provides information on the processes and modelling of raindrop impact induced erosion abd the modelling of erosion in catchments (watersheds) |
| Eurosem Resources related to the European soil erosion model, which simulates erosion on an event basis for fields and small catchments. |
| Geoindicators__Soil_and_Sediment__Erosion Basic information about erosion patterns, causes, and solutions. |
| Ground_Cover_Plants Article on ground cover usage, advantages, and disadvantages. Includes a checklist of over 250 types of plants. |
| International_Erosion_Control_Association Provides education, resource information and business opportunities for professionals in the erosion and sediment control industry. |
| National_Sedimentation_Laboratory It emphasizes research dealing with soil erosion; transport and deposition of sediment; movement of chemicals on upland areas and in streams; the impact of agricultural practices, in-stream structures |
| National_Soil_Erosion_Research_Laboratory This U.S. Department of Agriculture area is the focal point for the national research program in soil erosion by water. |
| OLIVERO_EU_Research_project A project aiming to improve olive plantation systems on sloping and mountainous land. These are vital for erosion and fire control in most of the mediterranean countries. |
| Organic_Agriculture Chemical agricultural practices are contributing to global warming, climate change, weather pattern disruption, erosion, and starvation. |
| Permanent_Cover_Cropping_System,_Steve_Groff,_Cedar_Meadow_Farm This site covers innovative practices and cropping strategies to increase profits and greatly reduce soil erosion and pesticides. |
| Redwood-Cottonwood_Rivers_Control_Area Non-regulatory organization that works to enhance and protect the Redwood and Cottonwood Rivers. Site includes journals, technical information, news, events, images, and details of how to get involved |
| Revised_Universal_Soil_Loss_Equation_2_-_Overview_of_RUSLE2 Computer program that estimates rates of soil erosion caused by rainfall and associated overland flow. Free download available together with documentation and manuals. |
| Serious_Erosion_Areas A look at some of the serious erosion areas in the United States. |
| Soil_and_Water_Conservation_Society The Soil and Water Conservation Society is an international organization that fosters the science and the art of soil and water conservation to achieve sustained use of land resources. |
| Soil_Erosion_in_Agricultural_Systems Cause and effects of soil erosion in agricultural systems. |
| Soil_Erosion_Net Collection of information on soil erosion from a wide range of scientific disciplines. |
| Soil_Erosion_on_Farmland Online publication from New Zealand government sustainable agriculture program. Intended as a source of information for use by farmers, local government, farmer organisations, farm advisers and other |
| Soil_Resource_Management References about the fertility, compaction, testing and conservation of soil. Published by the University of Nebraska. |
| Sustainable_Agriculture_and_Rural_Development_ Sustaining and protecting the soil and natural resources for production. |
| Sustainable_Agriculture_Tour_--_Erosion_Control_Structures Diversion terraces, grassed waterways, surface inlets, and hedgerows are the most common structures used for soil conservation. |
| USDA-ARS_National_Soil_Erosion_Research_Laboratory Information regarding: Erosion process research, erosion control research, and delivery of improved erosion prediction technology. |
| Water_Erosion_Prediction_Project_(WEPP) The WEPP-model, developed by the U.S. Department of Agriculture, is a process-based, distributed model for soil erosion prediction. Model software and documentation can be obtained through this site. |
| About_Temperature A very basic (prepared for the middle school math teachers) tutorial but still useful for professionals. |
| All_Thermodynamics from HyperPhysics portal. This is rather a comprehensive online physics handbook containing "Thermodynamics" chapter. Site has a handle navigation, good illustrations, and very detail content. |
| Applied_Thermodynamics Definition and short explanations of terms, units and basic principles. |
| Basic_Terms_and_Theory from Engineers Edge. A definitions, short explanations and conection of basic thermodynamics therms. |
| Carnot_cycle Applet showing the physics processes of a Carnot heat engine by Fu-Kwun Hwang of the National Taïwan Normal University. |
| A_Concise_History_of_Thermodynamics An overview of the history/evolution of thermodynamics. This is an excerpt from a biography of J. Willard Gibbs. The overview is available from the site in MS Word or pdf/Acrobat format. |
