Drift Any material deposited by a glacier . Drought Climatic condition where water loss due to evapotranspiration is greater than water inputs through precipitation . Drumlin A hill shaped deposit of till . The shape of these features resembles an elongated teaspoon laying bowl down. The tapered end of the drumlin points to the direction of glacial retreat .
Drumlins come in assorted sizes.
Lengths can range from 100 to 5,000 meters and heights can be as great as 200 meters. The rate of decline in the temperature of a rising parcel of air before it has reached saturation . This rate of temperature decline is 0. 98 degrees Celsius per 100 meters because of adiabatic cooling . Thermometer Thermometer on a psychrometer used to determine current air temperature.