SHORELINE MONITORING BY GNSS-PPP AIMING TO ATTENDANCE THE LAW 14.258/2010 FROM PERNAMBUCO STATE, BRAZIL

Autor(es)

Marques, Haroldo Antonio ^[1] ; Goncalves, Rodrigo Mikosz ^[2] ; Araujo, Alex Da Silva ^[2] ; Pereira, Pedro De Souza ^[3] ; De Araujo Queiroz, Heithor Alexandre ^[4]

Afiliação do(s) autor(es)

^[1] IME, Secao Engn Cartog, Rio De Janeiro, RJ - Brazil

^[2] Univ Fed Pernambuco UFPE, Dept Engn Cartog, Programa Posgrad Ciencias Geodes & Tecnol Geoinfo, Recife, PE - Brazil

^[3] Univ Fed Santa Catarina, Coordenadoria Especial Oceanog, Florianopolis, SC - Brazil

^[4] Inst Nacl Semiarido INSA, Setor Geoproc, Campina Grande, PB - Brazil

• Tipo de documento: Artigo Científico
• Fonte: Bol. Ciênc. Geod.; v. 25, n. 2 2019.
• Citações Web of Science: 0

Resumo

The geodetic shoreline positioning has socioeconomic importance due to decision-making support related to the coastal zone. The Pernambuco state, Brazil, has established a state law no. 14.258/2010 sanctioned as part of Coastal Zone Management State Policy. The state act no. 42.010/2015 enacted the baseline information for Pernambuco shoreline. Considering that the shoreline mapping benefits from GNSS positioning using relative or absolute methods, the absolute PPP was the choice for legislation support. Therefore, the aim of this work is to depict about the Pernambuco state law and analyze the kinematic PPP accuracy applied to shoreline monitoring in order to attend the state act. The relative GNSS method was adopted as reference to assess the PPP accuracy for the Pernambuco shoreline. The analyses for each sector involved approximately one hour of kinematic GNSS data and the results indicate horizontal positioning accuracy around 0.50 m after PPP convergence period. Several PPP re-initialization has been detected, however, points considered outliers are removed from the final product. For this reason, recommendations are provided to improve the positioning applied for coastal zone monitoring. Although, the carried out experiments shows that PPP can be adopted as a practical tool to support the Pernambuco Coastal Zone Management. (AU)

• Processo FAPESP: 17/02968-3 - Estudo Geodinâmico da Deformação da Crosta Terrestre através de Rede Geodésica GNSS
• Beneficiário: Haroldo Antonio Marques
• Modalidade de apoio: Bolsas no Brasil - Pós-Doutorado