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oceans

209 record(s)

 

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cartografia

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hvd

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From 1 - 10 / 209

  • This geographic dataset (GDS) contains the geographic location of the active and historical tide gauge stations operated by the Hydrographic Institute, as well as the corresponding sea surface height (SSH) observations in near-real-time (NRT). SSH observations (https://vocab.nerc.ac.uk/collection/P07/current/CFSN0374/) are provided in Coordinated Universal Time (UTC, ISO 8601) and referenced to the Hydrographic Zero (ZH, EPSG:10349). Quality control (QC) codes comply with the vocabulary available at https://vocab.nerc.ac.uk/collection/L20/current/. Processing levels follow an internal convention, where L1 corresponds to data without quality control and L2 to data with automatic quality control (e.g., range checks, spike detection, and temporal consistency tests). Active tide gauge stations: tide_obs_stations_nrt Near-real-time data without quality control (L1): tide_obs_data_nrt_l1_min — NRT data without quality control (L1), 1-minute sampling frequency, 1-minute latency, and an 8-day rolling time window tide_obs_data_nrt_l1_sec — NRT data without quality control (L1), 10-second sampling frequency, 1-minute latency, and an 8-day rolling time window Near-real-time data with automatic quality control (L2): tide_obs_data_nrt_l2 — NRT data with automatic quality control (L2), 5-minute sampling frequency, 1-day latency, and a 15-day rolling time window Historical tide gauge stations: tide_obs_stations_hist To access the complete observation time series, or specific historical periods, a request should be sent to cedencia.dados@hidrografico.pt. This dataset is part of the High-Value Datasets (HVD) identified under Implementing Regulation (EU) 2023/138 of Directive (EU) 2019/1024 on open data and the reuse of public sector information. Citation: Instituto Hidrográfico (2026): Rede de estações maregráficas - Observações. https://doi.org/10.71683/107bf4e8-ca3e-4bb7-9439-b99f631eee57

  • Within Portugal's National Biological Sampling Project (PNAB) a set of activities are conducted in the collection, management and use of biological data, collected from the registered commercial fleet in mainland Portugal (fisheries-dependent data) and several research surveys (independent fisheries data). These activities allow the assessment of the state of fishery resources, population structure, distribution and abundance of resources, diversity and dynamics of biological communities associated with the fishery resources and biological studies (growth, reproduction).The spring acoustic surveys are usually held in April/May with the ship "Noruega" and cover the Portuguese continental waters and the Spanish waters of the Gulf of Cadiz, between 20 and 200m deep.

  • Within Portugal's National Biological Sampling Project (PNAB) a set of activities are conducted in the collection, management and use of biological data, collected from the registered commercial fleet in mainland Portugal (fisheries-dependent data) and several research surveys (independent fisheries data). These activities allow the assessment of the state of fishery resources, population structure, distribution and abundance of resources, diversity and dynamics of biological communities associated with the fishery resources and biological studies (growth, reproduction).Demersal autumn campaigns are usually held in September/October with the ship “Noruega” and cover the full extent of the Portuguese coast (between Caminha and Vila Real Sto António).

  • Within Portugal's National Biological Sampling Project (PNAB) a set of activities are conducted in the collection, management and use of biological data, collected from the registered commercial fleet in mainland Portugal (fisheries-dependent data) and several research surveys (independent fisheries data). These activities allow the assessment of the state of fishery resources, population structure, distribution and abundance of resources, diversity and dynamics of biological communities associated with the fishery resources and biological studies (growth, reproduction).Demersal autumn campaigns are usually held in September/October with the ship “Noruega” and cover the full extent of the Portuguese coast (between Caminha and Vila Real Sto António).

  • The ERSTA project intended to study the seismogenic and tsunamigenic bodies and prepare an sismotectonic model for the Algarve region. For this project, in this campaign, was intend to carry out a geophysical survey that will contribute to a more detailed characterization, in the offshore region, of São Marcos-Quarteira and Carcavai faults. The SANDEX project aims to evaluate the physical impact from the extraction of sand and gravel in the coastal sediment balance and evolution of the coastline. The campaign aims to collect bathymetric data that will contribute to monitoring of the impact caused by the exploitation of sand deposits carried off the Quarteira as well as for the assessment of sediment budget of the study area.

  • Within Portugal's National Biological Sampling Project (PNAB) a set of activities are conducted in the collection, management and use of biological data, collected from the registered commercial fleet in mainland Portugal (fisheries-dependent data) and several research surveys (independent fisheries data). These activities allow the assessment of the state of fishery resources, population structure, distribution and abundance of resources, diversity and dynamics of biological communities associated with the fishery resources and biological studies (growth, reproduction).The spring acoustic surveys are usually held in April/May with the ship "Noruega" and cover the Portuguese continental waters and the Spanish waters of the Gulf of Cadiz, between 20 and 200m deep.

  • Within Portugal's National Biological Sampling Project (PNAB) a set of activities are conducted in the collection, management and use of biological data, collected from the registered commercial fleet in mainland Portugal (fisheries-dependent data) and several research surveys (independent fisheries data). These activities allow the assessment of the state of fishery resources, population structure, distribution and abundance of resources, diversity and dynamics of biological communities associated with the fishery resources and biological studies (growth, reproduction).The crustaceans campaigns are usually held in June/July with the ship “Noruega” and cover the extension of the Portuguese coast of Alentejo and Algarve.

  • Within Portugal's National Biological Sampling Project (PNAB) a set of activities are conducted in the collection, management and use of biological data, collected from the registered commercial fleet in mainland Portugal (fisheries-dependent data) and several research surveys (independent fisheries data). These activities allow the assessment of the state of fishery resources, population structure, distribution and abundance of resources, diversity and dynamics of biological communities associated with the fishery resources and biological studies (growth, reproduction).The crustaceans campaigns are usually held in June/July with the ship “Noruega” and cover the extension of the Portuguese coast of Alentejo and Algarve.

  • This project aims to characterize the evolution of the coastline during the Quaternary and discern what were the contributions to this evolution: 1) neotectonic, 2) eustatic variations and 3) sedimentary transport; for this purpose was selected as study area the coastal stretch between Cabo da Roca (~ 38 46'N) and the village of Comporta (~ 38 20'N).

  • Microbiological monitoring of bivalve mollusc production areas in mainland Portugal, since the year 2014, performed by quantification of Escherichia coli in meat and liquid intravalvular live bivalve, according to the sample planning. These analyzes are part of the National monitoring system of bivalve mollusc production areas and are considered in the classification of these areas and in the decision-making relative to their status. The data is collected according to the Regulation (EC) No 854/2004 of the European Parliament and of the Council of 29 April 2004 and the rules set out in Decree No. 1421/2006 of the Ministries of Economy and Innovation and Agriculture, Rural Development and Fisheries of 21 December 2006.