intertropical

in·ter·trop·i·cal

 (ĭn′tər-trŏp′ĭ-kəl)
adj.
1. Between or within the tropics.
2. Of or relating to the tropics.

intertropical

(ˌɪntəˈtrɒpɪkəl)
adj
situated between the tropic of Cancer and the tropic of Capricorn, or relating to regions so situated

in•ter•trop•i•cal

(ˌɪn tərˈtrɒp ɪ kəl)

adj.
situated or occurring between the tropic of Cancer and the tropic of Capricorn; tropical.
[1785–95]
References in classic literature ?
The intertropical kingdoms of the Trade Winds are favourable to the ordinary life of a merchantman.
But on the 11th one of those inexplicable tempests peculiar to those intertropical regions was let loose in the atmosphere.
At the Cape of Good Hope a very few European species, believed not to have been introduced by man, and on the mountains, some few representative European forms are found, which have not been discovered in the intertropical parts of Africa.
It should be observed that the northern species and forms found in the southern parts of the southern hemisphere, and on the mountain-ranges of the intertropical regions, are not arctic, but belong to the northern temperate zones.
Thus, as I believe, a considerable number of plants, a few terrestrial animals, and some marine productions, migrated during the Glacial period from the northern and southern temperate zones into the intertropical regions, and some even crossed the equator.
Something of the same kind must have occurred on the intertropical mountains: no doubt before the Glacial period they were stocked with endemic Alpine forms; but these have almost everywhere largely yielded to the more dominant forms, generated in the larger areas and more efficient workshops of the north.
I am far from supposing that all difficulties are removed on the view here given in regard to the range and affinities of the allied species which live in the northern and southern temperate zones and on the mountains of the intertropical regions.
The contrast of palm trees, growing amidst the common branching kinds, never fails to give the scene an intertropical character.
1827 Narration of a Survey of the Intertropical and Western Coasts of Australia Performed Between the Years 1818 and 1822, John Murray, London.
Relation trophiques et distribution verticales en milieu pelagique dans l'Ocean Pacifique Intertropical.
Lamb suspects that the drought/SST pattern, which shifts the region of highest sea surface temperatures 300 km to the south, similarly shifts the so-called intertropical convergence zone (ITCZ), where wind fields from the two hemispheres meet.
The plane's flight path took it through a tough-to-navigate breeding zone for thunderstorms near the Equator known as the intertropical convergence zone, or ITCZ.