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A Baccini1, W Walker2, L Carvalho3
1Woods Hole Research Center, Falmouth, MA 04523, USA. abaccini@whrc.org.
Science (New York, N.Y.)
|January 12, 2019
Resumen
Este estudio aborda las discrepancias de datos espaciales mediante la conciliación de dos conjuntos de datos distintos. Las comparaciones correctamente alineadas revelan un acuerdo significativo, que alcanza hasta el 90% en regiones como América del Sur.
Área de la Ciencia:
- Ciencias del medio ambiente
- Análisis geoespacial
Sus antecedentes:
- Los críticos han cuestionado el acuerdo espacial entre diferentes conjuntos de datos ambientales.
- Las discrepancias pueden derivarse de diferentes metodologías y fuentes de datos.
Objetivo del estudio:
- Evaluar el acuerdo espacial entre dos conjuntos de datos ambientales distintos.
- Para conciliar las diferencias y evaluar el nivel de concordancia.
Principales métodos:
- Análisis comparativo de dos conjuntos de datos geoespaciales.
- Desarrollo de métodos de conciliación para alinear diferentes puntos de datos.
- Evaluación cuantitativa de la superposición espacial
Principales resultados:
- Las comparaciones iniciales pusieron de relieve las discrepancias espaciales entre los conjuntos de datos.
- Los métodos de conciliación resolvieron con éxito las discrepancias.
- Hasta el 90% del acuerdo espacial se logró en regiones específicas, como América del Sur.
Conclusiones:
- La aparente falta de acuerdo espacial es en gran medida un artefacto metodológico.
- Los conjuntos de datos reconciliados demuestran una concordancia sustancial, que apoya su uso combinado.
- Los hallazgos validan la fiabilidad de los conjuntos de datos cuando se comparan adecuadamente.
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