Found this hope it explains what I was talking about. Most of the course here close. the only ones that stay open don't care about the damage and/ or are after a couple of extra bucks. Courses on cape cod stay open but there climate is totally different than inland.
Direct wear injury
Thinning of the turf due to direct wear injury is an obvious and important result of winter traffic. Unlike during the growing season, when turf is able to regenerate new leaves and stems to replace injured tissue daily, winter weather completely halts turf growth; the grass is continually thinned throughout the winter in direct proportion to the amount of traffic. This thinning of the turf canopy can, and often does, encourage the establishment of such weeds as Poa annua, crabgrass, goosegrass, moss, algae, pearlwort, spurge, and other weed pests during the spring and summer. True enough, weeds can indeed be a problem on greens that aren't subjected to winter play, but winter traffic causes them to be just that much more abundant and difficult to control.
Soil compaction is a more subtle and perhaps more important consequence of winter traffic. Because of the cold winter temperatures and lack of active turf growth, the loss of excess soil moisture through evaporation and transpiration is greatly reduced. In addition, frozen sub-surface soils may completely block the movement of excess moisture through the soil profile. During the summer, a very heavy rainfall often creates soil conditions that warrant closing the course for a day or two until the excess moisture is eliminated by the way of evaporation, transpiration, and downward percolation through the soil profile. Because these moisture losses are often non-functional during the winter, saturated soil conditions can persist for weeks or longer. Yet the golfers who can appreciate the need to close the course during the summer are sometimes completely unsympathetic to the same conditions and concerns during the winter.
The effects of soil compaction on the health and playability of the turf are insidious at any time, but because wet soils are especially prone to compaction, the likelihood of traffic causing the collapse of good soil structure is of constant concern during the winter. As soil particles are compacted and pushed closer and closer together, the pore space that facilitates drainage and root growth during summer is gradually lost. As the season finally commences, golfers often complain the these compacted greens are hard. From an agronomic standpoint, turf begins the season in a weakened state, predisposed to a host of summer problems. In addition to the potential for weed encroachment, the turf on greens played during winter tends to wilt more readily during hot weather, and often is more susceptible to a wide array of primary and secondary disease organisms.
Excellent. I intend to publish this to my fellow members. Can you tell me the source?