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Magnetic reconnection in the low atmosphere, e.g. chromosphere, isinvestigated in various physical environments. Its implications for theorigination of explosive events (small--scale jets) are discussed. A2.5-dimensional resistive magnetohydrodynamic (MHD) model in Cartesiancoordinates is used. It is found that the temperature and velocity of theoutflow jets as a result of magnetic reconnection are strongly dependent on thephysical environments, e.g. the magnitude of the magnetic field strength andthe plasma density. If the magnetic field strength is weak and the density ishigh, the temperature of the jets is very low (~10,000 K) as well as itsvelocity (~40 km/s). However, if environments with stronger magnetic fieldstrength (20 G) and smaller density (electron density Ne=2x10^{10} cm^{-3}) areconsidered, the outflow jets reach higher temperatures of up to 600,000 K and aline-of-sight velocity of up to 130 km/s which is comparable with theobservational values of jet-like events.

Chromospheric Magnetic Reconnection caused by Photospheric Flux Emergence: Implications for Jet-like Events Formation