Positive/Negative Anomaly

Views Updated: Dec 15, 2025

Key Facts

Abbreviation
PNA
Pronunciation
/ˈpɑzətɪv ˈnɛgətɪv əˈnɑməli/
Category
Academic & Science
Related Field
Chemistry

Examples in Context

  1. And the southern survey area is a mixed magnetic anomaly area with the magnetic anomaly in the middle Jiaozhou Bay showing near east-westly trending banded distributions and that in the southern Jiaozhou Bay showing NE trending alternate positive and negative anomaly distribution.
  2. The results of statistic analysis show that the precipitation is plentiful ( deficient ) when the SSTA is positive ( negative ) anomaly.
  3. In January ( July ) there is the SSH negative ( positive ) anomaly in the deep water basin and at the Luzon Strait, while there is positive ( negative ) anomaly on the most of continental shelves in the west and south of South China Sea;
  4. The expression of Δ T in the Southern Hemisphere presented in this paper. The survey area is located in 63 ° S, so where it is characterized by positive anomaly, and negative anomaly in the south.
  5. The crustal velocity in the Sichuan-Yunnan rhombic block generally shows normal value or positive anomaly, while the negative anomaly exists in the area along the large strike-slip faults as the block boundary.

Other meanings of PNA

Pamplona, Spain Regional
Palestine National Authority Gov
Palestinian National Authority Gov
Parties to the Nauru Agreement Academic
Peptide Nucleic Acid Medical
Palestine News Agency Community
Philippines News Agency Community
Pacific/ North American Academic
Philippine Nurses Association Business
Post-Natal Age Medical