The phrase "abundant surplus" is correct and usable in written English.
It can be used to describe a situation where there is an excessive amount of something, often in the context of resources or goods.
Example: "The harvest this year has resulted in an abundant surplus of crops, allowing us to donate to local food banks."
Alternatives: "ample excess" or "plentiful surplus".
By 2050, it's not far-fetched to imagine hundreds of these plants grazing the high seas, trading abundant seafood surpluses with cities on land.
This growth was made possible by expanded rice cultivation in central and southern China, the use of early-ripening rice from south-east and southern Asia, and the production of abundant food surpluses.
Between the 10th and 11th centuries, the population of China doubled in size to around 100 million people, mostly due to the expansion of rice cultivation in central and southern China, and the production of abundant food surpluses.
When prey is vulnerable and abundant, wolves may occasionally surplus kill.
Bhutan's abundant hydropower resources generate a surplus of electricity that accounts for more than 40% of the country's export earnings.
Owing to the surplus of cheap and abundant shale gas, increasing research interest has been directed towards the utilization of natural gas.
A centuries-long spell of mild, predictable weather blessed Western Europe with abundant crops, healthy populations and budget surpluses sufficient to finance projects like Chartres Cathedral.
And obese men who have considerable energetic surplus in the form of abundant fat reserve still show lower serum testosterone after fasting (Klibanski et al. 1981).
He went on to explain that meat encourages the body to produce a surplus of "seminal matter, which when abundant becomes a great incentive to lust".
The abundant rice harvests from 1966 to 1969 brought an era of surplus rice.
