English

Adjective

upgradient ‎(comparative more upgradient, superlative most upgradient)

1. A position up along a gradient from a starting position.
2. (hydrology) a location that is the source groundwater for another location; similar to upstream.

   Uncontaminated groundwater is found upgradient of a contamination source.

Antonyms

• downgradient

Adverb

upgradient ‎(comparative more upgradient, superlative most upgradient)

1. The reverse direction along a gradient.
2. (hydrology) a direction that groundwater flows from.

Antonyms

• downgradient