Climate greatly affects vadose diagenesis. In arid climates diagenetic alteration may be limited, whereas in humid climates it may be extensive. In humid climates, a thick soil zone develops and there is abundant meteoric water. | Climate greatly affects vadose diagenesis. In arid climates diagenetic alteration may be limited, whereas in humid climates it may be extensive. In humid climates, a thick soil zone develops and there is abundant meteoric water. |