hydrogeology conversions and equations

Vx= K/ne(delta h/ delta x)

seepage velocity equation

Q=KA(delta h/ delta x)

Darcy's law

what is Darcy's law used for?

measuring discharge

Eg=mgz

Gravitational potential energy

pressure potential

is the same throughout a system

Ek=1/2 mv^2

Kinetic energy

P=pgh

pressure due to burial

hydraulic head is also called what?

hydraulic potential

(v^2/2)+(gz)+(P/p)

total energy per unit mass

what is the bernouli equation used for?

total energy per unit mass

what does z signify?

Elevation from datum

what does h signify?

depth or height

what does v signify?

velocity

what does m signify?

mass

what does P signify?

Pressure

what does p signify?

density

za+ha=zb+hb

total energy per unit volume

PE=force x elevation

Potential energy

delta h / delta x

hydraulic gradient

what does n signify

porosity

n=vol. of voids / total vol.

porosity

what is specific yield?

volume of pore water that can be drained due to gravity by lowering hydraulic potential

K= Q/A(delta h / delta x)

hydraulic conductivity

what does K stand for?

hydraulic conductivity

what is 1 foot in meters?

0.3048 meters

what is 1 mile in feet?

5280 feet

what is 1 mile in kilometers?

1.609 kilometers

what is 1 meter cubed in centimeters cubed?

1000000 centimeters^3

what is the density of salt water?

1.027 grams/centimeter^3 or 1027 kilogram/meter^3

what is the density of fresh water?

1 gram/centimeter^3 or 1000 kilograms/meter^3

what is the density of quartz?

2.65 grams/centimeter^3 or 2650 kilogram/meter^3

what is 1 Newton equalivalent to?

kg x m/s^2

what is 1 Joule equalivalent to?

1 N x m or kg(m/s)^2

what is 1 pascal equivalent to?

1 N/m^2

what is 1cm^3 in ml?

1ml

what is 1 kilogram of water in liters?

1 liter

what is 1ft^3 in m^3?

0.0283m^3

what is 1m^2 in yrds^2?

1.195yrds^2

what is 1 in in cm?

2.54cm

what is 1 in^3 in cm^3

16.387 cm^3

what is 1mi^3 in km^3?

4.168km^3

what is 1mi^2 in km^2

2.589km^2

what is 1mi in km?

1.6km

what is 1 acre in yrds^2?

4840 yrds^2

what is 1 american pound in kilograms?

0.453 kg

what is a acre foot?

1 acre with 1 ft thick water in it,

what is 1ac ft in ft^3

43559.935 ft^3

what is 1 yard in feet?

3 feet

what is 1 yrd^2 in ft^2?

9ft^2