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varies according to the different modes   dynamics of the oceans in remote areas far                              operations with the resulting short-term lo-  high-performance computers that will
              and patterns of the tropical Atlantic cli-  from the coast. The accident that occurred                            cation of the aircraft wreckage.         contribute to the integration of forecast-
              mate (HOUNSOU-GBO  et al., 2015; CA-      in the equatorial region of the Atlantic with                              This work was also supported by oth-  ing models for the drift from objects at
              BOS et al., 2019). Extreme rainfall events   intense variability in the direction of ocean                        er international initiatives – particularly by  sea and planning operations.
              that affect coastal areas of Northeast Bra-  currents on the surface and subsurface, in                           France, due to its responsibility towards   Fighting marine pollution: oil spill
              zil, causing catastrophic flooding, land-  addition to the strong ocean-atmosphere                                Air  France  –  in  which  many  operational   off the Brazilian coast
              slides and major infrastructure destruction   interaction, represented a great challenge                          centers conducted complementary stud-
              are caused by anomalously warm condi-     for search and rescue operations to define                              ies (SCOTT et al., 2012; DRÉVILLON et al.,   In actions to mitigate environmental im-
              tions of the tropical Atlantic surface layer,   the initial area and the probable direction                       2013). They brought to light a new aspect  pacts caused by oil spills at sea by ships or
              excess humidity and acceleration of the   of derives from the wreckage of the aircraft                            of operational ocean forecasting already es-  oil exploration platforms, the use of tem-
              trade winds that intensify near the coast   and possible survivors.                                               tablished in the atmospheric sciences: the  perature, density and current predictions is
              from Brazil and excite mesoscale con-        The occurrence of the accident in an                                 use of multi-models and multi-assimilation  also fundamental so that oil transport mod-
              vective cells in the atmosphere associat-  area far from the coast, about 770 km                                  systems capable of reducing trajectory fore-  els can be applied. These must also predict
              ed with eastern atmospheric waves from    from the Fernando de Noronha Archipela-                                 cast errors and making them more reliable.  physical transformations in the oil, such as
              Africa (KOUADIO  et al., 2012). Coupled   go and 1,100 km from Natal, beyond the                                  Due to the chaotic component of ocean dy-  evaporation of volatile gases, so that, cou-
              ocean-atmosphere modeling showed how      limits of the air and maritime search and                               namics, the use of forecast sets conducted  pled with the circulation models, they can
              positive SST anomalies of more than 1ºC   rescue area  in Brazil,  demanded  a great                              by different centers provides a more robust  predict the position of the oil in the water
              in the tropical Atlantic warm pool led to   logistical effort carried out by the Brazil-                          probabilistic forecast than a single forecast.  column. The forecast of three-dimensional
              the intensification of convective cells that   ian Air Force and the Brazilian Navy. The                          A similar approach was also employed with  currents, together with the oil model, will
              caused extreme rainfall and flooding in   difficulties of operating in such an inhos-                             the Malaysia Airlines flight MH370 accident  help to define the areas to be affected by
              Recife from June 10 to 25, 2010 (SILVA    pitable  region,  associated  with  the  tech-                          (DURGADOO et al., 2021).                 the oil and for decision makers to act in the
              et al., 2018). Hounsou-Gbo et al. (2019)   nological  challenges  of  the  time,  proved                             Currently, it is not possible to envision  mitigation of its environmental impact.
              showed  that  the  entire  tropical  Atlantic   the relevance of scientific knowledge for                         the conduct of search and rescue opera-     The serious oil spill that hit beaches on
              region was affecting the climate variability   a nation that has a prominent role in the                          tions at sea without prior knowledge and  the coast of Brazil from August 30, 2019,
              of the Northeast. Such a problem can be   South Atlantic, and as such, it constitutes                             constant monitoring of the meteoceano-   to March 20, 2020 (SOARES et al., 2022;
              investigated using operational products   a  reference  for  large-scale  activities  and                         graphic variables, thus representing ini-  FERREIRA, 2022; NOBRE et al., 2022) de-
              available from CMEMS and others, such     challenges related to with the sea, even in                             tialization data for the state of the art of  noted the evident need for continuous
              as satellite and in situ data in the tropical   areas located beyond its jurisdictional lim-                      mathematical models of planning, man-    monitoring of maritime  traffic and the
              Atlantic, the key role of the PIRATA and   its under the aegis of safeguarding human                              agement and control used in the search  maintenance and improvement of mete-
              Argo platforms, which today provide the   life at sea, fundamental for the develop-                               and rescue operations. In this way, the  oceanographic forecasting systems, far be-
              minimum sampling required for monitor-    ment and promotion of the Blue Economy.                                 Brazilian Navy, through the Naval Oper-  yond the areas contained in our Amazônia
              ing the relevant ocean-atmosphere vari-      Only through meteoceanographic mod-                                  ations  Command  (ComOpNav)  and  the  Azul (Blue Amazon) due to the absence of
              ability in the region (FOLZ et al., 2019).  eling and drift buoys associated with as-                             CHM, in partnership with Shell Brasil and  physical barriers in the oceans. Phenom-
                                                        similation and reanalysis techniques, con-                              Prooceano Companies, with the Research  ena or inappropriate activities that occur
              Search and rescue operations at           ducted since 2007 at the CHM through the                                Development Foundation (FUNDEP) as an  on the high seas, outside the jurisdictional
              sea: the case of flight AF447
                                                        initiative of Brazilian researchers in opera-                           actor, established a project in 2019 for the  limits of Brazil, can be potentially harmful
                 In 2009, the crash of an Air France    tional oceanography at REMO, it was pos-                                development of the Planning and Decision  to the environment and compromise the
              plane, which was carrying flight AF447    sible to carry out a detailed study of the                              Support System for Search and Rescue Op-  Brazilian Blue Economy.
              from Rio de Janeiro to Paris, indicated the   region that allowed adequate guidance of                            erations at Sea (SPAD-SAR) which, among     Thanks to the numerical regression
              importance of knowing and predicting the   the ships and aircraft involved in the search                          other actions, allowed the acquisition of  modeling carried out by the workin group,



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